added email based user model.  added permissions skeleton.
fixed communities migration to remove CommunityMember model
add migrations to forcefully fix incorrect column names
set display_name to email as fallback (for social-auth)
implemented community permissions
added permissions to main views
add permissions to meeting views
added members list view
fix: hide page cntent until DOM loaded.
fix login form translations
fix more login form translations
fix: remove old menu from meetings page
added "switch community"/"my communities"
admin site theme
update gitignore
disable sites framework
added django-nose and django-extensions for better dev experience. (requirements change!)
Remove local_settings.py
Merge Yaniv's changes, with some fixes
minor fixes