Add pythonpath to settings page
[Bug 908680] Fix typo in graph cutoff.
Remove xx/Pirate from AAQ_LANGUAGES.
Renamed stats to metrics for consistency with KB dashboards.
[bug 907748] Add questions metrics to metrics page.
Edit button for question details
[bug 897058] AAQ flow sign in/register with Persona
[bug 905118] Redirect correctly on sign in with Persona
[bug 897985] Persona for mobile
[bug 909660] Track read after 5 seconds on landing page.
[bug 903829] Show redirects in /documents separately
[bug 896137] Add django-badger

* add django-badger to vendor/
* add badger to INSTALLED_APPS
* add migration for django-badger related tables
* add django-badger strings extraction to settings.py

  Note that we only want specific .py files. We don't need to translate
  strings in the example or test code.
Update migration
Initial pass at badging

You can create a Badge in the admin.

You can award a badge in the admin.

You can see the most recent awards at /badges/awards and that lets
you click on individual awards and see details which also shows
you information about the badge.

Still a bunch of stuff missing, but it's getting there.
Update to latest django-badger
Add badger autodiscover
Fix task module import
Fix template bases
Fix badge url
Fix default badge