Merge branch 'release/v1.0.0-beta-6' into develop
Added config file for LMonFunctions.js
Sync getLeveeState with official api.
Adapt storeThreatLevels to new api.
Add traverse to dependencies, it's needed for copy().
Remove unused url var.
Removed duplicate config entry.
Added token handling in requests.
Remove debug messages.
Improved tests, to be much more like real services.
Updated workflow with config values.
Improved error messages in LMon funcs. Fixed function locations in LMonP1.json.
Merge branch 'develop' of github.com:dice-cyfronet/hyperflow into develop

Conflicts:
	tests/LMonP1.js
	workflows/ismop/LMonP1.json
Debug messages cleanup.
Use JSON requests for DAP rest services.
Input signal counts required for firing now can be specified in the form:
"ins": ["sigName:sigCount"]. See workflows/Wf_countsig_test.json for an
example.
Corrected logging of provenance events (state-reset/remove was incorrectly emitted multiple times in certain cases)
Corrected bug when logging provenance for processes with no inputs.
Corrected bug when computing input signal counts.
Add istanbul dependency.