Abort Transaction must be sent to a primary master node as well.

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@180 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/client/app.py

@@ -556,6 +556,14 @@ class Application(object):
 
                 aborted_node_set.add(cell.getNode())
 
+        # Abort the transaction in the primary master node.
+        conn = self.master_conn
+        conn.lock()
+        try:
+            conn.addPacket(Packet.abortTransaction(conn.getNextId(), self.tid))
+        finally:
+            conn.unlock()
+
         self._clear_txn()
 
     def tpc_finish(self, transaction, f=None):