[maven-release-plugin] prepare release profile2-1.5.1

git-svn-id: https://source.sakaiproject.org/svn/profile2/branches/profile2-1.5.x@119695 66ffb92e-73f9-0310-93c1-f5514f145a0a
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://source.sakaiproject.org/svn/profile2/branches/profile2-1.5.x@119697 66ffb92e-73f9-0310-93c1-f5514f145a0a