Repository and version purging are working. Also deleting a bunch of left over

junk I didn't get after the merge.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3130 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/avm/FileContent.java

@@ -60,6 +60,11 @@ interface FileContent
      */
     public RandomAccessFile getRandomAccess(SuperRepository superRepo, String access);
     
+    /**
+     * Delete the contents of this from the backing store.
+     */
+    public void delete();
+    
     /**
      * Get the length of the file.
      * @param superRepo