MNK-5284 Don't use scheduled refresh stats in osgi test.

git-svn-id: http://svn.terracotta.org/svn/ehcache@7735 b9324663-ca0f-0410-8574-be9b3887307d
merge 7735 from trunk/ehcache-os 

git-svn-id: http://svn.terracotta.org/svn/ehcache@7736 b9324663-ca0f-0410-8574-be9b3887307d
Enable nexus-staging-maven-plugin.


git-svn-id: http://svn.terracotta.org/svn/ehcache@7737 b9324663-ca0f-0410-8574-be9b3887307d