StatusCode rendering in json as standalone message
Tests adjusted
Unit test data file name updated
CHANGES_NEXT_RELEASE updated
Fixed StatusCode rendering for PUT and DELETE Attribute Value Instance
Merge branch 'develop' into bug/225

Conflicts:
	CHANGES_NEXT_RELEASE
Merge pull request #278 from telefonicaid/bug/225

Bug/225
Merge branch 'develop' into bug/convop_metadatas

Conflicts:
	CHANGES_NEXT_RELEASE
Test harness updated with StatusCode responses where apropiate
Register entity -> Create entity, to conform to current terminology
ADD fixme comment
Merge pull request #282 from telefonicaid/bug/convop_metadatas

Bug/convop metadatas
Merge branch 'develop' into bug/get_valueid
Fixed small mistake left over from PR in convenience_ngsi10_attribute_value_instance.test
Fixed a memory leak for payload parse errors
Merge pull request #284 from telefonicaid/bug/leak_at_payload_parse_error

Fixed a memory leak for payload parse errors
Merge branch 'develop' into bug/get_valueid
CHANGES_NEXT_RELEASE updated