[maven-release-plugin] prepare for next development iteration

git-svn-id: https://source.sakaiproject.org/svn/roster2/branches/roster2-1.0.x@168545 66ffb92e-73f9-0310-93c1-f5514f145a0a
RSTR-47 Update Spanish translation from Samoo. Cheers :)

git-svn-id: https://source.sakaiproject.org/svn/roster2/branches/roster2-1.0.x@168682 66ffb92e-73f9-0310-93c1-f5514f145a0a