Add share button to /mybadges page that shows share modal.
Because badge thumbnails were turned into an include, internal
blocks can't be overridden where we were doing it before,
so there's some extra redirection to get around that.
Hook up Mozilla Backpack button to do modaless push
Don't show share button if underage
Commenting out additional share buttons until they're implemented
Basic badge sharing and privacy control
Add where clause to shareToken.find()s
Fix minor issues:
  share toggle endpoint is post instead of get now
  removed unused model relationship
  basic (like... really basic) LESS styles
Fix incorrect LESS -> CSS compilation of previous commit
Merge pull request #608 from mgballard/master

fix grid
Merge pull request #596 from stenington/589-badge-sharing

Basic badge sharing and privacy control
Merge pull request #602 from stenington/592-backpack-push

Push to backpack
jquery included locally
Mobile menu re-centered
change span6 to span12 where content is single-column (and won't break in mobile)
add local jquery
References to and fies from /images/ moved to /img/
padding around "forgot password" more mobile friendly
move landing page content out of js and into the template