Merge pull request #104 from poutsma/SPR-9536

* SPR-9576:
  Include **/*.aj files in *-sources.jar files

build.gradle

@@ -71,7 +71,8 @@ configure(subprojects) { subproject ->
 
     task sourcesJar(type: Jar, dependsOn:classes) {
         classifier = 'sources'
-        from sourceSets.main.allJava
+        from sourceSets.main.allJava.srcDirs
+        include '**/*.java', '**/*.aj'
     }
 
     task javadocJar(type: Jar) {