add media queries and width changes to percentage
views/channel.haml, add wordwrap
screen.sass, change Desktops min-width
Merge remote-tracking branch 'upstream/master'

Conflicts:
	sass/screen.sass
	views/channel.haml
Merge pull request #7 from wildjcrt/master

improved front-end UI (thanks to @wildjcrt)
1. word-wrap to wrap long URLs
2. media queries for responsive UI