Odds and ends. Started infrastructure for AVM command line utilities.

Loosened cache invalidation for write operations so that layered/write 
lookups are not discarded.  Changed direct buffer copies to use 
System.arraycopy.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@4447 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

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

@@ -268,7 +268,8 @@ public class LookupCache
         for (Map.Entry<LookupKey, Lookup> entry : fCache.entrySet())
         {
             if ((entry.getKey().getStoreName().equals(storeName) &&
-                !entry.getKey().isWrite()) || entry.getValue().isLayered())
+                !entry.getKey().isWrite()) || 
+                (!entry.getKey().isWrite() && entry.getValue().isLayered()))
             {
                 toDelete.add(entry.getKey());
             }