Fix bug 933852: Increment funnelcake ID on installer-help page.
Merge pull request #1387 from pmclanahan/installer-help-plus-one-933852

Fix bug 933852: Increment funnelcake ID on installer-help page.
Bug 936554: enable home, plugincheck, firefox/new for xh

This locales is not available on the PHP side (/trunk/xh), only on
Bedrock (/trunk/locales/xh). We don't need it on prod at the moment,
only on www-dev.
Merge pull request #1390 from flodolo/enable_xh

Bug 936554: enable home, plugincheck, firefox/new Bedrock redirects for xh
Bug 920067: Enable the database.

* Add sqlite config to base settings.
* Update tests to use Django's database aware TestCase.
* Install south.
* Install django-waffle.
* Update jenkins to use the database for CI.

Django admin will be enabled in a separate PR.