Lots of more JSON rendering stuff
Merge branch 'develop' into bug/json_render02
ADD jsonCheck.sh script
RENAME xml_check -> data_check makefile target
data_check -> payload_check and some cosmetica
Merge pull request #151 from telefonicaid/hardening/json_check_script

ADD jsonCheck.sh script
Merge pull request #152 from telefonicaid/bug/json_render02

Bug/json render02
ngsi directory taken care of
fixes for issues raised during PR review
Merge pull request #153 from telefonicaid/hardening/json_unit_test_and_parse_check

ngsi directory json check
Merge branch 'develop' into feature/sonar-metrics