Refactor of template and script services to allow easy addition of further template and script processors.

Hightlights of check-in include:
- Introduction of script processor 
- Neutralisation of script and template models
- The notion of a processor extension introduced
- Extensions applied to processor implementation rather than the services
- Auto selection of processor based on file extension of template or script

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5519 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/action/scheduled/TemplateActionModelFactory.java

@@ -24,6 +24,8 @@
  */
 package org.alfresco.repo.action.scheduled;
 
+import java.util.Map;
+
 import org.alfresco.service.cmr.repository.NodeRef;
 
 /**
@@ -46,7 +48,7 @@ public interface TemplateActionModelFactory
      * 
      * @return - the model for the template engine.
      */
-    public Object getModel();
+    public Map<String, Object> getModel();
     
     /**
      * Build a model with a default node context.
@@ -54,5 +56,5 @@ public interface TemplateActionModelFactory
      * @param nodeRef
      * @return - the model (with nodeRef as its context).
      */
-    public Object getModel(NodeRef nodeRef);
+    public Map<String, Object> getModel(NodeRef nodeRef);
 }