[MECLIPSE-756]
 - Fixing several RAT issues.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633696 13f79535-47bb-0310-9956-ffa450edef68
[MECLIPSE-756]
 - Excludes the src/test/resources area cause 
   adding a license header will fail many test cases.
 - Added information about M2_HOME to run integration tests


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633698 13f79535-47bb-0310-9956-ffa450edef68
p-io 2.3.2

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633699 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release maven-assembly-plugin-2.5

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633700 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633703 13f79535-47bb-0310-9956-ffa450edef68