Releasing sakai involves changing versions and creating tags and deploying artifacts to maven repo's.
- maybe a snippet why maven release plugin is a pain and can't be used see http://axelfontaine.com/blog/final-nail.html
For this task we will leverage the maven versions plugin http://mojo.codehaus.org/versions-maven-plugin/ When a branch is ready to be made a version the first thing is to update versions
In order to ensure all the versions were updated accuratley its important to find out how many versions there currently are with something like: