ADD draft cross_request_payload_error test harness (some steps need to be finished)
One 'fix' and a little closer to the malloc problem in startTag
Merge branch 'develop' into hardening/old72
bug fixed, cross_request_payload_error harness test working
Fixes during code review - json commas
Merge pull request #60 from telefonicaid/feature/update_context_availability_subscription_json

JSON parsing for NGSI subscription updates
Merge branch 'develop' into hardening/old72
all harness tests work
FIX cross_request_payload_error.test
ADD empty_payloads.test
REFACTOR using a one-line curl for empty payload cases in empty_payloads.test
fixed error reporting from check methods about 'empty entity list' and 'no reference', and fixed all their test cases
removed unnecessary check of parseVector presence. There are no longer any JSON requests that aren't implemented
Merge pull request #61 from telefonicaid/hardening/old72

Hardening/old72
Merged with develop
Merge pull request #63 from telefonicaid/feature/json_format_closer_to_proposal

Feature/json format closer to proposal
Merge branch 'develop' into hardening/unit_tests_common_lib