Fix bug 859572: Redirect tabzilla.js to CDN.
Merge pull request #851 from pmclanahan/redirect-tabzilla-cdn-bug-859572

Fix bug 859572: Redirect tabzilla.js to CDN.
May devices update - devices.csv
Merge pull request #870 from AaronMT/may-devices-update

May devices update - devices.csv
Convert big png's to smaller jpg's. Bug 865433.
Merge pull request #871 from jpetto/bug-865433-firstrun-optim

Convert big png's to smaller jpg's. Bug 865433.
Bug 816080: Upgrade Bedrock to latest Playdoh
Bug 816080: Revert rename of wsgi file to ease deployment pain.
Bug 816080: Add a dummy db and cache config for easy setup and deploy.

Django 1.4+ requires a db setting to run at all.
Bug 867985 - update number of locales

We went from 89 to 80 locales. Amending the text to "over 70" and "more than 90%" is vague enough to be accurate for the foreseeable future even as the specific number fluctuates.