MNK-5691 Revert changes to CacheManager introduced by revision 8340
Revert changes to LazyCacheManagerAgentResourceRESTTest

git-svn-id: http://svn.terracotta.org/svn/ehcache@8350 b9324663-ca0f-0410-8574-be9b3887307d
ENG-409: since terracottaClusteredSize == size quickSize has to go to its own method

git-svn-id: http://svn.terracotta.org/svn/ehcache@8351 b9324663-ca0f-0410-8574-be9b3887307d
ENG-409: add tests

git-svn-id: http://svn.terracotta.org/svn/ehcache@8352 b9324663-ca0f-0410-8574-be9b3887307d