diff --git a/Jenkinsfile b/Jenkinsfile
index 533a85d78..818714bf5 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,97 +1,97 @@
 pipeline {
-    agent none
+	agent none
 
-    triggers {
-        pollSCM 'H/10 * * * *'
-        upstream(upstreamProjects: "spring-data-commons/1.13.x", threshold: hudson.model.Result.SUCCESS)
-    }
+	triggers {
+		pollSCM 'H/10 * * * *'
+		upstream(upstreamProjects: "spring-data-commons/1.13.x", threshold: hudson.model.Result.SUCCESS)
+	}
 
-    options {
-        disableConcurrentBuilds()
-    }
+	options {
+		disableConcurrentBuilds()
+	}
 
-    stages {
-        stage("Test") {
-            when {
-                anyOf {
-                    branch '2.1.x'
-                    not { triggeredBy 'UpstreamCause' }
-                }
-            }
-            parallel {
-                stage("test: baseline") {
-                    agent {
-                        docker {
-                            image 'adoptopenjdk/openjdk8:latest'
-                            args '-v $HOME/.m2:/tmp/spring-data-maven-repository'
-                        }
-                    }
-                    options { timeout(time: 30, unit: 'MINUTES') }
-                    steps {
-                        sh 'rm -rf ?'
-                        sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/spring-data-maven-repository" ./mvnw clean dependency:list test -Dsort -B'
-                    }
-                }
-            }
-        }
-        stage('Release to artifactory') {
-            when {
-                branch 'issue/*'
-                not { triggeredBy 'UpstreamCause' }
-            }
-            agent {
-                docker {
-                    image 'adoptopenjdk/openjdk8:latest'
-                    args '-v $HOME/.m2:/tmp/spring-data-maven-repository'
-                }
-            }
-            options { timeout(time: 20, unit: 'MINUTES') }
+	stages {
+		stage("Test") {
+			when {
+				anyOf {
+					branch '2.1.x'
+					not { triggeredBy 'UpstreamCause' }
+				}
+			}
+			parallel {
+				stage("test: baseline") {
+					agent {
+						docker {
+							image 'adoptopenjdk/openjdk8:latest'
+							args '-v $HOME/.m2:/tmp/spring-data-maven-repository'
+						}
+					}
+					options { timeout(time: 30, unit: 'MINUTES') }
+					steps {
+						sh 'rm -rf ?'
+						sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/spring-data-maven-repository" ./mvnw clean dependency:list test -Dsort -B'
+					}
+				}
+			}
+		}
+		stage('Release to artifactory') {
+			when {
+				branch 'issue/*'
+				not { triggeredBy 'UpstreamCause' }
+			}
+			agent {
+				docker {
+					image 'adoptopenjdk/openjdk8:latest'
+					args '-v $HOME/.m2:/tmp/spring-data-maven-repository'
+				}
+			}
+			options { timeout(time: 20, unit: 'MINUTES') }
 
-            environment {
-                ARTIFACTORY = credentials('02bd1690-b54f-4c9f-819d-a77cb7a9822c')
-            }
+			environment {
+				ARTIFACTORY = credentials('02bd1690-b54f-4c9f-819d-a77cb7a9822c')
+			}
 
-            steps {
-                sh 'rm -rf ?'
-                sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/spring-data-maven-repository" ./mvnw -Pci,snapshot -Dmaven.test.skip=true clean deploy -B'
-            }
-        }
-        stage('Release to artifactory with docs') {
-            when {
-                branch '2.1.x'
-            }
-            agent {
-                docker {
-                    image 'adoptopenjdk/openjdk8:latest'
-                    args '-v $HOME/.m2:/tmp/spring-data-maven-repository'
-                }
-            }
-            options { timeout(time: 20, unit: 'MINUTES') }
+			steps {
+				sh 'rm -rf ?'
+				sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/spring-data-maven-repository" ./mvnw -Pci,snapshot -Dmaven.test.skip=true clean deploy -B'
+			}
+		}
+		stage('Release to artifactory with docs') {
+			when {
+				branch '2.1.x'
+			}
+			agent {
+				docker {
+					image 'adoptopenjdk/openjdk8:latest'
+					args '-v $HOME/.m2:/tmp/spring-data-maven-repository'
+				}
+			}
+			options { timeout(time: 20, unit: 'MINUTES') }
 
-            environment {
-                ARTIFACTORY = credentials('02bd1690-b54f-4c9f-819d-a77cb7a9822c')
-            }
+			environment {
+				ARTIFACTORY = credentials('02bd1690-b54f-4c9f-819d-a77cb7a9822c')
+			}
 
-            steps {
-                sh 'rm -rf ?'
-                sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/spring-data-maven-repository" ./mvnw -Pci,snapshot -Dmaven.test.skip=true clean deploy -B'
-            }
-        }
-    }
+			steps {
+				sh 'rm -rf ?'
+				sh 'MAVEN_OPTS="-Duser.name=jenkins -Duser.home=/tmp/spring-data-maven-repository" ./mvnw -Pci,snapshot -Dmaven.test.skip=true clean deploy -B'
+			}
+		}
+	}
 
-    post {
-        changed {
-            script {
-                slackSend(
-                        color: (currentBuild.currentResult == 'SUCCESS') ? 'good' : 'danger',
-                        channel: '#spring-data-dev',
-                        message: "${currentBuild.fullDisplayName} - `${currentBuild.currentResult}`\n${env.BUILD_URL}")
-                emailext(
-                        subject: "[${currentBuild.fullDisplayName}] ${currentBuild.currentResult}",
-                        mimeType: 'text/html',
-                        recipientProviders: [[$class: 'CulpritsRecipientProvider'], [$class: 'RequesterRecipientProvider']],
-                        body: "<a href=\"${env.BUILD_URL}\">${currentBuild.fullDisplayName} is reported as ${currentBuild.currentResult}</a>")
-            }
-        }
-    }
+	post {
+		changed {
+			script {
+				slackSend(
+						color: (currentBuild.currentResult == 'SUCCESS') ? 'good' : 'danger',
+						channel: '#spring-data-dev',
+						message: "${currentBuild.fullDisplayName} - `${currentBuild.currentResult}`\n${env.BUILD_URL}")
+				emailext(
+						subject: "[${currentBuild.fullDisplayName}] ${currentBuild.currentResult}",
+						mimeType: 'text/html',
+						recipientProviders: [[$class: 'CulpritsRecipientProvider'], [$class: 'RequesterRecipientProvider']],
+						body: "<a href=\"${env.BUILD_URL}\">${currentBuild.fullDisplayName} is reported as ${currentBuild.currentResult}</a>")
+			}
+		}
+	}
 }
diff --git a/pom.xml b/pom.xml
index e1d719872..d883db855 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,198 +1,198 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
 
-    <groupId>org.springframework.data</groupId>
-    <artifactId>spring-data-elasticsearch</artifactId>
-    <version>2.1.23.BUILD-SNAPSHOT</version>
+	<groupId>org.springframework.data</groupId>
+	<artifactId>spring-data-elasticsearch</artifactId>
+	<version>2.1.23.BUILD-SNAPSHOT</version>
 
-    <parent>
-        <groupId>org.springframework.data.build</groupId>
-        <artifactId>spring-data-parent</artifactId>
-        <version>1.9.23.BUILD-SNAPSHOT</version>
-        <relativePath>../spring-data-build/parent/pom.xml</relativePath>
-    </parent>
+	<parent>
+		<groupId>org.springframework.data.build</groupId>
+		<artifactId>spring-data-parent</artifactId>
+		<version>1.9.23.BUILD-SNAPSHOT</version>
+		<relativePath>../spring-data-build/parent/pom.xml</relativePath>
+	</parent>
 
-    <name>Spring Data Elasticsearch</name>
-    <description>Spring Data Implementation for Elasticsearch</description>
-    <url>https://github.com/spring-projects/spring-data-elasticsearch</url>
+	<name>Spring Data Elasticsearch</name>
+	<description>Spring Data Implementation for Elasticsearch</description>
+	<url>https://github.com/spring-projects/spring-data-elasticsearch</url>
 
-    <properties>
+	<properties>
 
-        <dist.key>DATAES</dist.key>
+		<dist.key>DATAES</dist.key>
 
-        <commonscollections>3.2.1</commonscollections>
-        <commonslang>2.6</commonslang>
-        <elasticsearch>2.4.0</elasticsearch>
-        <springdata.commons>1.13.23.BUILD-SNAPSHOT</springdata.commons>
+		<commonscollections>3.2.1</commonscollections>
+		<commonslang>2.6</commonslang>
+		<elasticsearch>2.4.0</elasticsearch>
+		<springdata.commons>1.13.23.BUILD-SNAPSHOT</springdata.commons>
 
-    </properties>
+	</properties>
 
-    <dependencies>
+	<dependencies>
 
-        <!-- Spring -->
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-context</artifactId>
-            <exclusions>
-                <exclusion>
-                    <groupId>commons-logging</groupId>
-                    <artifactId>commons-logging</artifactId>
-                </exclusion>
-            </exclusions>
-        </dependency>
+		<!-- Spring -->
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context</artifactId>
+			<exclusions>
+				<exclusion>
+					<groupId>commons-logging</groupId>
+					<artifactId>commons-logging</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
 
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-tx</artifactId>
-        </dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-tx</artifactId>
+		</dependency>
 
-        <!-- SPRING DATA -->
-        <dependency>
-            <groupId>org.springframework.data</groupId>
-            <artifactId>spring-data-commons</artifactId>
-            <version>${springdata.commons}</version>
-        </dependency>
+		<!-- SPRING DATA -->
+		<dependency>
+			<groupId>org.springframework.data</groupId>
+			<artifactId>spring-data-commons</artifactId>
+			<version>${springdata.commons}</version>
+		</dependency>
 
-        <!-- APACHE -->
-        <dependency>
-            <groupId>commons-lang</groupId>
-            <artifactId>commons-lang</artifactId>
-            <version>${commonslang}</version>
-        </dependency>
+		<!-- APACHE -->
+		<dependency>
+			<groupId>commons-lang</groupId>
+			<artifactId>commons-lang</artifactId>
+			<version>${commonslang}</version>
+		</dependency>
 
-        <!-- JODA Time -->
-        <dependency>
-            <groupId>joda-time</groupId>
-            <artifactId>joda-time</artifactId>
-            <version>${jodatime}</version>
-        </dependency>
+		<!-- JODA Time -->
+		<dependency>
+			<groupId>joda-time</groupId>
+			<artifactId>joda-time</artifactId>
+			<version>${jodatime}</version>
+		</dependency>
 
-        <!-- Elasticsearch -->
-        <dependency>
-            <groupId>org.elasticsearch</groupId>
-            <artifactId>elasticsearch</artifactId>
-            <version>${elasticsearch}</version>
-        </dependency>
+		<!-- Elasticsearch -->
+		<dependency>
+			<groupId>org.elasticsearch</groupId>
+			<artifactId>elasticsearch</artifactId>
+			<version>${elasticsearch}</version>
+		</dependency>
 
-        <!-- Jackson JSON Mapper -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-core</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-        </dependency>
+		<!-- Jackson JSON Mapper -->
+		<dependency>
+			<groupId>com.fasterxml.jackson.core</groupId>
+			<artifactId>jackson-core</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.core</groupId>
+			<artifactId>jackson-databind</artifactId>
+		</dependency>
 
-        <!-- CDI -->
-        <dependency>
-            <groupId>javax.enterprise</groupId>
-            <artifactId>cdi-api</artifactId>
-            <version>${cdi}</version>
-            <scope>provided</scope>
-            <optional>true</optional>
-        </dependency>
+		<!-- CDI -->
+		<dependency>
+			<groupId>javax.enterprise</groupId>
+			<artifactId>cdi-api</artifactId>
+			<version>${cdi}</version>
+			<scope>provided</scope>
+			<optional>true</optional>
+		</dependency>
 
-        <!-- Test -->
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.openwebbeans.test</groupId>
-            <artifactId>cditest-owb</artifactId>
-            <version>${webbeans}</version>
-            <scope>test</scope>
-            <exclusions>
-                <exclusion>
-                    <groupId>org.apache.geronimo.specs</groupId>
-                    <artifactId>geronimo-jcdi_1.0_spec</artifactId>
-                </exclusion>
-                <exclusion>
-                    <groupId>org.apache.geronimo.specs</groupId>
-                    <artifactId>geronimo-atinject_1.0_spec</artifactId>
-                </exclusion>
-            </exclusions>
-        </dependency>
-        <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>servlet-api</artifactId>
-            <version>3.0-alpha-1</version>
-            <scope>test</scope>
-        </dependency>
+		<!-- Test -->
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.openwebbeans.test</groupId>
+			<artifactId>cditest-owb</artifactId>
+			<version>${webbeans}</version>
+			<scope>test</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>org.apache.geronimo.specs</groupId>
+					<artifactId>geronimo-jcdi_1.0_spec</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.apache.geronimo.specs</groupId>
+					<artifactId>geronimo-atinject_1.0_spec</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>servlet-api</artifactId>
+			<version>3.0-alpha-1</version>
+			<scope>test</scope>
+		</dependency>
 
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok}</version>
-            <scope>test</scope>
-        </dependency>
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<version>${lombok}</version>
+			<scope>test</scope>
+		</dependency>
 
-    </dependencies>
+	</dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-assembly-plugin</artifactId>
-            </plugin>
-            <plugin>
-                <groupId>org.codehaus.mojo</groupId>
-                <artifactId>wagon-maven-plugin</artifactId>
-            </plugin>
-            <plugin>
-                <groupId>org.asciidoctor</groupId>
-                <artifactId>asciidoctor-maven-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-assembly-plugin</artifactId>
+			</plugin>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>wagon-maven-plugin</artifactId>
+			</plugin>
+			<plugin>
+				<groupId>org.asciidoctor</groupId>
+				<artifactId>asciidoctor-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
 
-    <profiles>
-        <profile>
-            <id>snapshot</id>
+	<profiles>
+		<profile>
+			<id>snapshot</id>
 
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.jfrog.buildinfo</groupId>
-                        <artifactId>artifactory-maven-plugin</artifactId>
-                        <version>2.6.1</version>
-                        <inherited>false</inherited>
-                        <executions>
-                            <execution>
-                                <id>build-info</id>
-                                <goals>
-                                    <goal>publish</goal>
-                                </goals>
-                                <configuration>
-                                    <buildInfo>
-                                        <buildUrl>{{BUILD_URL}}</buildUrl>
-                                    </buildInfo>
-                                    <deployProperties>
-                                        <zip.name>spring-data-elasticsearch</zip.name>
-                                        <zip.displayname>spring-data-elasticsearch</zip.displayname>
-                                        <zip.deployed>false</zip.deployed>
-                                        <archives>*:*:*:*@zip</archives>
-                                    </deployProperties>
-                                    <publisher>
-                                        <contextUrl>https://repo.spring.io</contextUrl>
-                                        <username>{{ARTIFACTORY_USR}}</username>
-                                        <password>{{ARTIFACTORY_PSW}}</password>
-                                        <repoKey>libs-snapshot-local</repoKey>
-                                        <snapshotRepoKey>libs-snapshot-local</snapshotRepoKey>
-                                    </publisher>
-                                </configuration>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.jfrog.buildinfo</groupId>
+						<artifactId>artifactory-maven-plugin</artifactId>
+						<version>2.6.1</version>
+						<inherited>false</inherited>
+						<executions>
+							<execution>
+								<id>build-info</id>
+								<goals>
+									<goal>publish</goal>
+								</goals>
+								<configuration>
+									<buildInfo>
+										<buildUrl>{{BUILD_URL}}</buildUrl>
+									</buildInfo>
+									<deployProperties>
+										<zip.name>spring-data-elasticsearch</zip.name>
+										<zip.displayname>spring-data-elasticsearch</zip.displayname>
+										<zip.deployed>false</zip.deployed>
+										<archives>*:*:*:*@zip</archives>
+									</deployProperties>
+									<publisher>
+										<contextUrl>https://repo.spring.io</contextUrl>
+										<username>{{ARTIFACTORY_USR}}</username>
+										<password>{{ARTIFACTORY_PSW}}</password>
+										<repoKey>libs-snapshot-local</repoKey>
+										<snapshotRepoKey>libs-snapshot-local</snapshotRepoKey>
+									</publisher>
+								</configuration>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
 
-        <profile>
+		<profile>
 
 			<id>ci</id>
 
@@ -208,11 +208,13 @@
 									<!-- Configure checker to use UTF-8 encoding -->
 									<property name="charset" value="UTF-8"/>
 
-									<module name="io.spring.nohttp.checkstyle.check.NoHttpCheck" />
+									<module name="io.spring.nohttp.checkstyle.check.NoHttpCheck"/>
 								</module>
 							</checkstyleRules>
 							<includes>**/*</includes>
-							<excludes>.git/**/*,target/**/*,**/target/**/*,.idea/**/*,**/spring.schemas,**/*.svg,mvnw,mvnw.cmd,**/*.policy</excludes>
+							<excludes>
+								.git/**/*,target/**/*,**/target/**/*,.idea/**/*,**/spring.schemas,**/*.svg,mvnw,mvnw.cmd,**/*.policy
+							</excludes>
 							<sourceDirectories>./</sourceDirectories>
 						</configuration>
 					</plugin>
@@ -222,56 +224,56 @@
 		</profile>
 
 		<profile>
-            <id>release</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.jfrog.buildinfo</groupId>
-                        <artifactId>artifactory-maven-plugin</artifactId>
-                        <inherited>false</inherited>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-    </profiles>
+			<id>release</id>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.jfrog.buildinfo</groupId>
+						<artifactId>artifactory-maven-plugin</artifactId>
+						<inherited>false</inherited>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
+	</profiles>
 
-    <developers>
-        <developer>
-            <id>biomedcentral</id>
-            <name>BioMed Central Development Team</name>
-            <timezone>+0</timezone>
-        </developer>
-    </developers>
+	<developers>
+		<developer>
+			<id>biomedcentral</id>
+			<name>BioMed Central Development Team</name>
+			<timezone>+0</timezone>
+		</developer>
+	</developers>
 
-    <repositories>
-        <repository>
-            <id>spring-libs-snapshot</id>
-            <url>https://repo.spring.io/libs-snapshot</url>
-        </repository>
-    </repositories>
+	<repositories>
+		<repository>
+			<id>spring-libs-snapshot</id>
+			<url>https://repo.spring.io/libs-snapshot</url>
+		</repository>
+	</repositories>
 
-    <pluginRepositories>
-        <pluginRepository>
-            <id>spring-plugins-release</id>
-            <url>https://repo.spring.io/plugins-release</url>
-        </pluginRepository>
-    </pluginRepositories>
+	<pluginRepositories>
+		<pluginRepository>
+			<id>spring-plugins-release</id>
+			<url>https://repo.spring.io/plugins-release</url>
+		</pluginRepository>
+	</pluginRepositories>
 
-    <scm>
-        <url>https://github.com/spring-projects/spring-data-elasticsearch</url>
-        <connection>scm:git:git://github.com/spring-projects/spring-data-elasticsearch.git</connection>
-        <developerConnection>scm:git:ssh://git@github.com/spring-projects/spring-data-elasticsearch.git
-        </developerConnection>
-    </scm>
+	<scm>
+		<url>https://github.com/spring-projects/spring-data-elasticsearch</url>
+		<connection>scm:git:git://github.com/spring-projects/spring-data-elasticsearch.git</connection>
+		<developerConnection>scm:git:ssh://git@github.com/spring-projects/spring-data-elasticsearch.git
+		</developerConnection>
+	</scm>
 
-    <ciManagement>
-        <system>Bamboo</system>
-        <url>https://build.springsource.org/browse/SPRINGDATAES</url>
-    </ciManagement>
+	<ciManagement>
+		<system>Bamboo</system>
+		<url>https://build.springsource.org/browse/SPRINGDATAES</url>
+	</ciManagement>
 
-    <issueManagement>
-        <system>JIRA</system>
-        <url>https://jira.springsource.org/browse/DATAES</url>
-    </issueManagement>
+	<issueManagement>
+		<system>JIRA</system>
+		<url>https://jira.springsource.org/browse/DATAES</url>
+	</issueManagement>
 
 </project>