Adds category icons. Naming convention tbd.
Adds tag for flag API query.
Merge branch 'master' into add_icons_and_flags

Conflicts:
	app/css/app.css
	app/partials/home.html
wip
awesome styling
Merge branch 'master' into slide-styling

Conflicts:
	app/partials/home.html
merges master
Merge pull request #7 from kvindasAB/slide-styling

Slide styling