merging rev. 7905

git-svn-id: http://svn.terracotta.org/svn/ehcache@7906 b9324663-ca0f-0410-8574-be9b3887307d
use forge plugin to get SNAPSHOT filename instead of timestamp one

git-svn-id: http://svn.terracotta.org/svn/ehcache@7907 b9324663-ca0f-0410-8574-be9b3887307d
merge 7907 from trunk/ehcache-os 

git-svn-id: http://svn.terracotta.org/svn/ehcache@7908 b9324663-ca0f-0410-8574-be9b3887307d