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/web/app/servlet/command/ExecuteScriptCommand.java

@@ -27,7 +27,6 @@ package org.alfresco.web.app.servlet.command;
 import java.util.Map;
 
 import org.alfresco.model.ContentModel;
-import org.alfresco.repo.jscript.RhinoScriptService;
 import org.alfresco.service.ServiceRegistry;
 import org.alfresco.service.cmr.repository.NodeRef;
 import org.alfresco.service.cmr.repository.NodeService;
@@ -89,8 +88,7 @@ public final class ExecuteScriptCommand implements Command
       }
       
       // build the model needed to execute the script
-      Map<String, Object> model = RhinoScriptService.buildDefaultModel(
-            serviceRegistry,
+      Map<String, Object> model = serviceRegistry.getScriptService().buildDefaultModel(
             personRef,
             new NodeRef(Repository.getStoreRef(), Application.getCompanyRootId()),
             (NodeRef)nodeService.getProperty(personRef, ContentModel.PROP_HOMEFOLDER),