add source files to dist jar files

modules/elasticsearch/build.gradle

@@ -24,6 +24,7 @@ manifest.mainAttributes("Implementation-Title": "ElasticSearch", "Implementation
 sourceSets.main.resources.srcDirs 'src/main/java', rootProject.file('config')
 sourceSets.test.resources.srcDir 'src/test/java'
 
+// add the source files to the dist jar
 jar {
     from sourceSets.main.allJava
 }

plugins/attachments/build.gradle

@@ -15,6 +15,7 @@ configurations.testCompile.transitive = true
 sourceSets.main.resources.srcDir 'src/main/java'
 sourceSets.test.resources.srcDir 'src/test/java'
 
+// add the source files to the dist jar
 jar {
     from sourceSets.main.allJava
 }