Revert "Revert "Better ui.""

This reverts commit 85f3d6a6a52b0307e9a95ab5a6213029dbaac0fc.
Lazy load images.
Fading looks silly.
Updating blank.png to be transparent.
Merge remote-tracking branch 'origin/new_changes'

Conflicts:
	app/assets/stylesheets/application.css.sass
	app/views/gifs/_gif.html.erb
	app/views/layouts/application.html.erb