Fix of issue 377 for Notifications resolving.

Fix of issue 377 for Notifications resolving.

Fixed issue when Notification didn't pass from Netconf client to registered and configured ODL plugin application. After Fix, when notification is send to ODL,
notification is forwarded through md-sal directly into application that is registered for listening on mount point where notification arrive.

Change-Id: I4e0c644efb72ba0c26c75e9bd7452afbb0f4897c
Signed-off-by: Lukas Sedlak <lsedlak@cisco.com>
Signed-off-by: Ed Warnicke <eaw@cisco.com>
Signed-off-by: Tony Tkacik <ttkacik@cisco.com>