Merge pull request #28 from telefonicaid/bug/subscribe_context_errors

Bug fixes regarding ngsi10 subscriptions
Merge branch 'develop' into feature/subscribe_context_json
fixed entityId for XML - 'id' as field, 'isPattern' and 'type' as attributes
Merge pull request #30 from telefonicaid/feature/subscribe_context_json

Feature/subscribe context json
Merge branch 'develop' into feature/notify_context_json
Removed some left LM_Ms
renamed old_xml_ok to handmade_ncr_xml_ok
completely removed handmade_ncr_xml_ok/old_xml_ok
Merge pull request #31 from telefonicaid/feature/notify_context_json

Feature/notify context json
Merge branch 'develop' into feature/unsubscribe_context_json
removed 300 spaces :-)
removed some more spaces
Merge pull request #32 from telefonicaid/feature/unsubscribe_context_json

UnsubscribeContext json input/output
Merge branch 'develop' into feature/notify_context_availability_json