Bump django-celery version

For whatever reason ansible was having problems installing the old
version on a fresh box, something to do with pytz.  This fixes it.
Implement social sharing
Add/implement location.js in browse.js
Merge pull request #234 from bhuber/topic/fix-requirements

Bump django-celery version
Merge pull request #235 from kshepard/topic/social-sharing

Implement social sharing
Cleanup of location.js source for merge
Merge pull request #236 from CloudNiner/topic/mergelocationjs

Add/implement location.js in browse.js