threshold selector cosmetic
secondaryMetric is optional
fixed secondaryMetric tooltip
format
Added support for metadata
metadata handling in threshold
inverted colorScale
sync dist
Merge remote-tracking branch 'upstream/master'

Conflicts:
	dist/squid_api_flowchart-widget.js
	src/squid_api_flowchart_widget.js
Merge pull request #5 from olivier-squid/master

metadata support