FormService improvements

- A 'dataKeyName' property has been added to the field definition to point to the corresponding data
- FormProcessors can now return a submission url to use on the client
- FormProcessors are now responsible for returning a sensible URL to represent the 'item' being processed
- Updated all affected tests

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@14021 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/forms/AssociationFieldDefinition.java

@@ -137,6 +137,7 @@ public class AssociationFieldDefinition extends FieldDefinition
         buffer.append(", description=").append(this.description);
         buffer.append(", binding=").append(this.binding);
         buffer.append(", defaultValue=").append(this.defaultValue);
+        buffer.append(", dataKeyName=").append(this.dataKeyName);
         buffer.append(", group=").append(this.group);
         buffer.append(", protectedField=").append(this.protectedField);
         buffer.append(")");