DEV-9944 Be more coherent with respect to errors in scheduled refresh initialization. 

git-svn-id: http://svn.terracotta.org/svn/ehcache@7711 b9324663-ca0f-0410-8574-be9b3887307d
Merge of r7666, r7711 (ScheduledRefresh tests etc)


git-svn-id: http://svn.terracotta.org/svn/ehcache@7712 b9324663-ca0f-0410-8574-be9b3887307d