Lots of improvements in harness and valgrind suites
better echoes
a few functional tests that were failing under valgrind
Merge branch 'develop' into hardening/harness_errors_under_valgrind
more fixes
9997 and 9977 exchanged for their respective variables
exact sizes are back in notification_different_sizes.test
merged with release/iotplatform-v1
covering 'all' release names in REGEX
statistics request can now takde 0 to 19 secs
Merge pull request #492 from telefonicaid/hardening/harness_errors_under_valgrind

Hardening/harness errors under valgrind