Add social authentication
According to e2572ee1ae69ebdb290f020775917e331ef8a66d - fix comment form template and add hashids requirement
Fix paste IntegrityError, fix tests, add facebook social auth hash hack
Change hashids version in requirements
Add polish version of README file.
Add user activity wall, add comment username linking
Add paste admin panel
Add notification tests
Add comment admin panel
Change css for deleted comment
Add internationalization and translations
Add language selection
Add comment content getter
Add div in templates/pastes/paste.hml with description of paste
Merge branch 'notifications' into develop
Change admin panel link location
Merge branch 'internationalization' into develop
Add missing tranlations
Add selected language check mark
Fix tests