telefonicaid/fiware-orion — pull request #135 by kzangeli (2013-12-03 12:17:10+00:00)
Title: Feature/conv op ngsi10 subscriptions sid

### Description
Two more conv ops, to update and delete ngsi10 subscriptions:

PUT /ngsi10/contextSubscriptions/{subscriptionId}
DELETE /ngsi10/contextSubscriptions/{subscriptionId}