[maven-release-plugin] prepare release ehcache-parent-2.7

git-svn-id: http://svn.terracotta.org/svn/ehcache@8727 b9324663-ca0f-0410-8574-be9b3887307d
[maven-release-plugin]  copy for tag ehcache-parent-2.7

git-svn-id: http://svn.terracotta.org/svn/ehcache@8728 b9324663-ca0f-0410-8574-be9b3887307d
[maven-release-plugin] prepare for next development iteration

git-svn-id: http://svn.terracotta.org/svn/ehcache@8729 b9324663-ca0f-0410-8574-be9b3887307d