added some raf styling to footer
added commenting, Google Analytics, and more footer content
fixed popover css
Merge pull request #103 from macqueen/master

fixed popover css
Merge pull request #102 from bwest87/master

Footer content + styling, google analytics, and some comments on the index.html
updated all tags request route to enable sorting by popularity
updated home view to show tags in order of popularity
Merge branch 'master' of https://github.com/ReadUpCode/readup
make twitter share button directive so that button renders with ng-repeat
Merge branch 'master' of https://github.com/ReadUpCode/readup
Merge branch 'master' of https://github.com/ReadUpCode/readup
Merge pull request #105 from macqueen/master

tags sorted by popularity on the home screen
make hacker news share button render with ng-repeat
fix styling on share buttons by stacking them
Merge branch 'master' of http://github.com/ReadUpCode/readup into backend_test
fixed user info popover styling
tags in link form now have elipsis overflow so they don't run into the checkmark. And the weird thing where they drop down after being clicked is gone.
Changed categories to include 'Tool'
make hacker news button show more consistently using setTimeout
Merge branch 'master' of https://github.com/ReadUpCode/readup