Change valid_until calculation: valid_until = payment_notification.now + 365
Merge pull request #85 from osantana/master

Remove a failing test that doesn't make sense anymore
Change headers and flat page titles
Add Python logo
Add more messages
settings_local cant be on git, because is a personal configuration
fixed test with Issue #78
more testes to emailbackend
django dont need use super(ClassTest, self).setUp()
Add protection on change member category with pending payments
Merge pull request #86 from valdergallo/master

Pequenas modificações e correção dos testes
Update valid_until_email.txt

Correção ortográfica apenas.
Merge pull request #84 from osantana/valid_until

Change valid_until calculation: valid_until = payment_notification.now+365