[maven-release-plugin] prepare release entitybroker-1.5.2

git-svn-id: https://source.sakaiproject.org/svn/entitybroker/branches/entitybroker-1.5.x@125122 66ffb92e-73f9-0310-93c1-f5514f145a0a
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://source.sakaiproject.org/svn/entitybroker/branches/entitybroker-1.5.x@125124 66ffb92e-73f9-0310-93c1-f5514f145a0a
Updating pom for next release

git-svn-id: https://source.sakaiproject.org/svn/entitybroker/branches/entitybroker-1.5.x@125125 66ffb92e-73f9-0310-93c1-f5514f145a0a