Delete all files and references to homepage v1
Merge pull request #715 from lonelyplanet/matth/bye-bye-homepage-v1

Delete all files and references to homepage v1
removed misplaced class
created new used feed template
added new user feed styles [need cleanup]
added script for new feed

working stage
- new msg number update to do
- could use some cleaning up
inserted

run new user feed from authenticator.js
paste timeago into rizzo [not working yet]
updated feed functions, cleared some code
cleaned up feed styles
updated template
removed new feed indicator from authenticator
fixed wrong target clicking in tabs.js
timeago works from rizzo now
forgot to hide the feed flyout :) fixed.
made jscs & jshint passing
converted timeago.coffee to js
moved mixins to the top
Changed it back because of failing tests
Updated some authenticator specs

Some functionality has moved to user_feed