resolving conflict
adding main.css
Adding csslint task
fixing dependency version
Moving csslint rules into csslintrc
Integrated new FxA login and new devices endpoint.
Fixed linting issues.
Merge pull request #39 from pdehaan/autoprefixah

Adding autoprefixer and copyright Grunt tasks
tweaking the watch:sass task and fixing .csslintrc issue
Merge pull request #49 from pdehaan/sass-watch-lint

Tweak watch:sass task to autoprefix app/ folder CSS
Better device time handling.
Merge branch 'new_frontend' into dev