Merge branch 'cleanup-3.2.x' into 3.2.x

* cleanup-3.2.x:
  Eliminate AJ @Async warning in test case
  Update Apache license headers for moved files
  Move namespace tests to root integration module
  Fix several miscellaneous compiler/Eclipse warnings
  Remove duplicate test resources
  Fix warnings due to unused import statements
  Update Apache license headers for affected sources
  Remove duplicate test classes
  Replace test beans with test objects
  Polish test sourceSet dependencies
  Add test dependencies sources for testCompile