[maven-release-plugin] prepare release contentreview-2.9.3

git-svn-id: https://source.sakaiproject.org/svn/content-review/branches/contentreview-2.9.x@119645 66ffb92e-73f9-0310-93c1-f5514f145a0a
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://source.sakaiproject.org/svn/content-review/branches/contentreview-2.9.x@119647 66ffb92e-73f9-0310-93c1-f5514f145a0a