Feature/snapshot#1

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timelyportfolio wants to merge 26 commits intomasterfrom

feature/snapshot

Commits on Apr 6, 2016

Commits on Apr 8, 2016

convert `svgtoimg` to `Promise` from `EventEmitter`
timelyportfolio
committed
convert `toimage` to Promises from EventEmitter
timelyportfolio
committed
change snapshot modebar to work with promises instead of eventemitter
timelyportfolio
committed

Commits on Apr 11, 2016

changes to snapshot thoughts; move to discuss on pull
timelyportfolio
committed