Adding remove ta dir message

Change-Id: Ia7581a36ca900b315ea5bcdc2932e5652549f2a0
Signed-off-by: TanelDettenborn <tanel.dettenborn@intel.com>
Returning an error if not supported connection method used

Change-Id: I06e351103fba278dcde1d7b29cfa11b14a5d0213
Signed-off-by: TanelDettenborn <tanel.dettenborn@gmail.com>
Merge changes I06e35110,Ia7581a36

* changes:
  Returning an error if not supported connection method used
  Adding remove ta dir message