Checkpoint of WCM workflow package support.

Setting titled and uifacets via AVMService instead of through
AVMNodeService.  1000 file import takes ~5 minutes.  Awful but better 
than before.  


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3995 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/avm/AVMService.java

@@ -346,6 +346,13 @@ public interface AVMService
      */
     public List<AVMStoreDescriptor> getAVMStores();
 
+    /**
+     * Get (and create if necessary) the system store. This store houses things
+     * like workflow packages.
+     * @return The descriptor.
+     */
+    public AVMStoreDescriptor getAVMSystemStore();
+    
     /**
      * Get a descriptor for an AVMStore.
      * @param name The AVMStore's name.