Added minified css file
Merge branch 'master' into develop
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	dist/vis.js
	dist/vis.min.js
Merge remote-tracking branch 'origin/develop' into develop
Merge remote-tracking branch 'origin/develop' into develop
Merge remote-tracking branch 'origin/develop' into develop
Released version 0.6.0