- some improved error handling for editing of renditions when the form instance data has been reverted

- not caching the forms list within the web project as it is not being properly refreshed when the web project is edited
- better error handling in create web content for when the workflow has not properly been configured.
- more work on getting edit and preview working from manage tasks screen.  it should all be in place now though i am completely unable to preview right now - need to hear back from jon.  had to reduce reliance on AVMBrowseBean from actions since the current path is not necessarily properly set since it's outside of a browse context.
- some error handling in rendition if the primary form instance data is not there.
- adding a backward webproject noderef reference to the staging store to make it possible to get web project properties without an avmbrowsebean context

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4708 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/bean/wcm/CreateWebContentWizard.java

@@ -317,6 +317,12 @@ public class CreateWebContentWizard extends BaseContentWizard
          
          if (LOGGER.isDebugEnabled())
             LOGGER.debug("starting workflow " + wd + " with parameters " + parameters);
+
+         if (parameters == null)
+         {
+            Utils.addErrorMessage(Application.getMessage(context, "submit_workflow_config_error"));
+            return null;
+         }
          
          // start the workflow to get access to the start task
          WorkflowPath path = this.workflowService.startWorkflow(wd.id, null);