Cleanups in preparation for Django 1.6
remove content ratings in admin settings form (bug 969545)
remove old AER games logic due to IARC (bug 968494)
Merge pull request #1734 from ngokevin/iarcrm

remove old games AER logic, remove admin content edit form (bug 968494)
liberate some caching utils (bug 971330)
Merge pull request #1755 from andymckay/cache-nuggets

liberate some caching utils (bug 971330)
fix imports (bug 971330)
Merge pull request #1737 from washort/pre16

Cleanups in preparation for Django 1.6
endpoint to serve comm attachment downloads
Merge pull request #1738 from ngokevin/commattachurl

endpoint to serve comm attachment downloads (bug 958382)
Log geoip requests and responses (bug 941939)
Updated so exact match uses term queries on not_analyzed fields
more geoip logging (bug 941939)
Update GEOIP_URL in dev settings.
even more geoip logging (bug 941939)
Handle Connection Errors in Developers App Keys Page (bug 926630)

- Move the external call from the template to the view
- If a connection to solitude fails or raises non 200 catch the exception
- Log the problem
- Display a message to the user
- Added an appropriate test
Merge pull request #1742 from JaredKerim-Mozilla/926630

Handle Connection Errors in Developers App Keys Page (bug 926630)
pacify jenkins