[maven-release-plugin] prepare release 1.5.0-RC2

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1480505 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1480507 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-970 roll back 1.5.0-RC2

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1480864 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-970 Update svn merge info from 1.5.0-RC2 changes, so 1.5 to trunk merges go smoothly

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1480865 13f79535-47bb-0310-9956-ffa450edef68