[TAB-4789] Fixing memory leaks due to RuntimeCfg objects in Configuration class

git-svn-id: http://svn.terracotta.org/svn/ehcache@9384 b9324663-ca0f-0410-8574-be9b3887307d
TAB-4824 : Fixing the resizing logic in Cache and CacheManager

git-svn-id: http://svn.terracotta.org/svn/ehcache@9385 b9324663-ca0f-0410-8574-be9b3887307d
TAB-4824: Fixing Checkstyle error

git-svn-id: http://svn.terracotta.org/svn/ehcache@9386 b9324663-ca0f-0410-8574-be9b3887307d
Delete ehcache-2.9.0 tag to retag.

git-svn-id: http://svn.terracotta.org/svn/ehcache@9387 b9324663-ca0f-0410-8574-be9b3887307d
Tag ehcache-2.9.0 from 4.2.0-rc branch

git-svn-id: http://svn.terracotta.org/svn/ehcache@9388 b9324663-ca0f-0410-8574-be9b3887307d