[maven-release-plugin] prepare release edu-services-1.2.3

git-svn-id: https://source.sakaiproject.org/svn/edu-services/branches/edu-services-1.2.x@128730 66ffb92e-73f9-0310-93c1-f5514f145a0a
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://source.sakaiproject.org/svn/edu-services/branches/edu-services-1.2.x@128732 66ffb92e-73f9-0310-93c1-f5514f145a0a
Jenkins post-build: Auto-updating master version to 2.9-SNAPSHOT for next release http://builds.sakaiproject.org:8080/job/edu-services%201.2.x/

git-svn-id: https://source.sakaiproject.org/svn/edu-services/branches/edu-services-1.2.x@128733 66ffb92e-73f9-0310-93c1-f5514f145a0a