Provide meaningful exception when dotted import fails
Added new site to README.
Merge
Added Sachin Shende to AUTHORS
Merge
Added Sam Kingston to AUTHORS
Adding Golds Gym Utah
Merge
If static_directory does not exist, create it.

Instead of trying to tar the static directory (which
fails when the dir does not exist), we create it when
is missing.
Merge
Added José Aliste to AUTHORS
Hack for generic fields that allows MySQL migrations to run correctly.
Don't assume a site exists in some older migrations.
Fetch latest translations from transifex
Update translations and reprocess them
Merge
Small css tweaks.
Merge
Use consistent language for 'log in / sign up'
The db_type field must take a second 'connection' argument, even though unused, otherwise one gets an 'unexpected keyword argument connection' TypeError