- 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/forms/Rendition.java

@@ -16,10 +16,10 @@
  */
 package org.alfresco.web.forms;
 
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.Serializable;
-import org.alfresco.service.cmr.repository.NodeRef;
 import org.xml.sax.SAXException;
 
 /**
@@ -43,7 +43,8 @@ public interface Rendition
    public String getSandboxRelativePath();
 
    /** the primary form instance data used to generate this rendition */
-   public FormInstanceData getPrimaryFormInstanceData();
+   public FormInstanceData getPrimaryFormInstanceData()
+      throws FileNotFoundException;
 
    /** the rendering engine template that generated this rendition */
    public RenderingEngineTemplate getRenderingEngineTemplate();