Delete ehcache-2.7.7 tag to retag.

git-svn-id: http://svn.terracotta.org/svn/ehcache@9514 b9324663-ca0f-0410-8574-be9b3887307d
Tag ehcache-2.7.7 from 4.0.7-rc branch

git-svn-id: http://svn.terracotta.org/svn/ehcache@9515 b9324663-ca0f-0410-8574-be9b3887307d