Merged BRANCHES\DEV\MODEL_SPLIT to HEAD

Split the data dictionary out from the repository.
    There is a new DataModel project to add into eclipse
    Still to move a few context dependent tests


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@20877 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/AbstractWritableContentStoreTest.java

@@ -490,7 +490,6 @@ public abstract class AbstractWritableContentStoreTest extends AbstractReadOnlyC
                 streamClosed[0] = true;
             }
         };
-        writer.setRetryingTransactionHelper(null);
         writer.addListener(listener);
         
         // write some content