use userena as signin signup package
set homepage to signin page
direct user to signin; add custom signin form
add ranking
fixed ranking model
pep8
Merge pull request #10 from galarant/fb_info

create ranking model in models.py
user signup is ok now
Merge pull request #11 from galarant/FBcallback

parsing query string and exchanging token
redirect to account page after successfully signed up.
Merge branch 'master' into admin

Conflicts:
	social_secretary/settings.py
	social_secretary/ss_app/models.py
	social_secretary/ss_app/views.py
	social_secretary/urls.py
small cleanups
Merge pull request #12 from galarant/admin

Admin
added migrations
pep8
image_url field instead of picture
pep8
pep8
merged master
pep8