Merge pull request #86 from hmert/master

pymongo added requirements.pip
Merge pull request #87 from hmert/master

migrations is not ignored
Newsfeed shouldn't contains edited contentions
Add a switch button which allows you to see public newsfeed
Implement infinity-pagination
Change the link of logo
Implement support button
Bump css version number
Add migration file for supporting functionality
Fix supporting functionality
Fix supporting typed notifications
Update the modification time of contentions after premise creation
Add share buttons
Bump css file version
Add image meta tag
Swap share buttons
Merge pull request #6 from arguman/master

merge