TABINF-3996 Use released version of tc-maven-plugin and add required dependencies

git-svn-id: http://svn.terracotta.org/svn/ehcache@9461 b9324663-ca0f-0410-8574-be9b3887307d
Delete ehcache-2.8.5 tag to retag.

git-svn-id: http://svn.terracotta.org/svn/ehcache@9462 b9324663-ca0f-0410-8574-be9b3887307d
Tag ehcache-2.8.5 from 4.1.5-rc branch

git-svn-id: http://svn.terracotta.org/svn/ehcache@9463 b9324663-ca0f-0410-8574-be9b3887307d
TABINF-3996 Fix property name: toolkit-runtime.version became terracotta.version

git-svn-id: http://svn.terracotta.org/svn/ehcache@9464 b9324663-ca0f-0410-8574-be9b3887307d