MPOM-52: enable RAT on every build, not only during release

I removed both the rat profiles and enable rat:check by default. Please review. Locally I changed:

 maven-dependency-tree --> maven-shared-components --> maven-parent

and it all appears to work fine. Maybe we want to add some default excludes but this shoudl make it run all the time.



git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1595683 13f79535-47bb-0310-9956-ffa450edef68