MNK-5426 Fix for scheduled refresh/refresh ahead using CAS operations with eventual caches. 

git-svn-id: http://svn.terracotta.org/svn/ehcache@7948 b9324663-ca0f-0410-8574-be9b3887307d
Merge of r7948 MNK-5426

git-svn-id: http://svn.terracotta.org/svn/ehcache@7949 b9324663-ca0f-0410-8574-be9b3887307d
Merge of r7948 MNK-5426

git-svn-id: http://svn.terracotta.org/svn/ehcache@7950 b9324663-ca0f-0410-8574-be9b3887307d
4.0.4-rc

git-svn-id: http://svn.terracotta.org/svn/ehcache@7951 b9324663-ca0f-0410-8574-be9b3887307d
Tag ehcache-2.7.4 from 4.0.4-rc branch

git-svn-id: http://svn.terracotta.org/svn/ehcache@7952 b9324663-ca0f-0410-8574-be9b3887307d