FIX JSON render issues
A few changes in log trace levels
registration/discovery with TWO attributes added to harness test
tracelevel fixes
Merge pull request #144 from telefonicaid/hardening/harness_big_request

Hardening/harness big request
Merge branch 'develop' into bug/json_render_extra_comman
one more json comma fix
Merge pull request #143 from telefonicaid/bug/json_render_extra_comman

FIX JSON render issues
Merge branch 'develop' into hardening/cppcheck_issues