Merge remote-tracking branch 'origin/engine-downtime' into flotchart-downtimes

Conflicts:
	sources/externals
Merge branch 'develop' into flotchart-downtimes
Merge branch 'develop' into flotchart-downtimes

Conflicts:
	sources/externals
improve cwizard componentlist cinventory & cmetric widgets
add js utility function to convert css colors
refactor calendar ajaxhandler and add downtime feature
update selector ui to handle downtimes
update selector engine to get downtimes_as_ok option
Merge branch 'flotcharts' into flotchart-downtimes
Merge branch 'develop' into flotchart-downtimes
Merge branch 'flotchart-downtimes' into develop

Conflicts:
	sources/externals
Merge branch 'develop' of github.com:capensis/canopsis into develop