show team key names in match edit. styling.
make manipulator post update hook take in entire list of updated models
move pushing to matchManipulator post update hook
add matchstats calc to post update hook
properly handle null case
fix test that uses taskqueue
don't collapse sidebar everywhere
README: Globally install LESS
Merge pull request #1077 from mc10/patch-1

README: Globally install LESS
Merge branch 'master' into push-notifications

Conflicts:
	helpers/match_manipulator.py