Move get/share selection to welcome overlay
Merge pull request #672 from uProxy/dborkan-onboarding

Move get/share selection to welcome overlay
adding grunt-vulcanize devDependency
first stab at adding vulcanize to Gruntfile
vulcanization process isn't erroring anymore.
Changing chrome to use vulcanized files
working chrome build with vulcanize
using vulcanized files for firefox build too
Merge branch 'ryscheng-vulcanize' into ryscheng-radiatus

Conflicts:
	Gruntfile.coffee
	src/firefox/lib/main.js