ALF-9613: numerous changes including use of ReentrantReadWriteLock for locking and introduction of a custom cleanup job that does not delete files that are in use by the cache.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@30066 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/caching/FullTest.java

@@ -16,7 +16,6 @@
  * You should have received a copy of the GNU Lesser General Public License
  * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
  */
-
 package org.alfresco.repo.content.caching;
 
 import static org.junit.Assert.assertEquals;