NIFI-1211 Adding a .travis.yml to provide CI and adding an exclusion for this file in the RAT check configuration. Adding Travis CI build status graphic to README

.travis.yml

@@ -0,0 +1,16 @@
+language: java
+sudo: false
+
+os:
+  - linux
+
+jdk:
+  - oraclejdk8
+  - oraclejdk7
+  - openjdk7
+
+# Workaround for non-existent Maven repository as per: https://github.com/travis-ci/travis-ci/issues/4629#issuecomment-131214465
+before_install:
+  - sed -i.bak -e 's|https://nexus.codehaus.org/snapshots/|https://oss.sonatype.org/content/repositories/codehaus-snapshots/|g' ~/.m2/settings.xml
+
+script: mvn clean install -Pcontrib-check

README.md

@@ -12,7 +12,7 @@
   See the License for the specific language governing permissions and
   limitations under the License.
 -->
-# Apache NiFi
+# Apache NiFi [![Build Status](https://travis-ci.org/apache/nifi.svg)](https://travis-ci.org/apache/nifi)
 
 Apache NiFi is an easy to use, powerful, and reliable system to process and distribute data.
 

pom.xml

@@ -1359,6 +1359,7 @@ language governing permissions and limitations under the License. -->
                         <exclude>nb-configuration.xml</exclude> <!-- courtesy excludes for netbeans users -->
                         <exclude>nbactions.xml</exclude> <!-- courtesy excludes for netbeans users -->
                         <exclude>DEPENDENCIES</exclude> <!-- auto generated file by apache's maven config while building sources.zip -->
+                        <exclude>.travis.yml</exclude> <!-- Travis CI Build Descriptor File -->
                     </excludes>
                 </configuration>
                 <dependencies>