Prepare the fork
Merge branch 'master' into chartling
Add .travis file
Use gulp test instead of invoking mocha
Add logo
Use graphicsmagick compare functionality to ensure images are somehow equal
Merge branch 'master' into uitests

Conflicts:
	package.json
Merge branch 'uitests' into chartling
Merge branch 'chartling'

Conflicts:
	.gitignore
	package.json
	test/ui/helpers/screenshots-should-match.js