shultze integration + various additions to sprint #5
more changes for sprint #5
Merge remote-tracking branch 'yaniv/master'
issue tabs - sort by time/rank, sort in client side
Merge remote-tracking branch 'yaniv/master'

Conflicts:
	src/communities/templates/communities/upcoming.html
	src/communities/views.py
add python graph to requirements
Merge branch 'master' of https://github.com/amir99/OpenCommunity into responsive_1212
And more responsive design based on Trello issues
Conflicts:
	src/communities/templates/communities/upcoming.html