Removed the lefilasoi website, replaced by aufildusouffle

Upgraded to the current Django version
Imrpoved the export emails feature

So that it works by groups of few emails.
Fixed some media and static files
Made the animators list order reliable
Fixed the Google Analytics code
Removed the dash if no phone in animators compact list
Let le fil à soi work with the new code

Merged features and added flags in settings to enable/disable.
Fixed some optional features
Added the au fil du souffle theme
Removed the style field in admin if no choices
Fixed the administration URL