Tweaks for deploy config
Fixed settings
Merge branch 'master' into beaudev
Added pytz specifically
Adding tasks
Some API work for submissions and deploy setup
Merging current work for deployment and submissions
management commands for competitions and participants and some deployment additions
Additional tweaks to deployment configs
Working deployment with nginx/uwsgi/supervisord
Make logout be a post operation
Merge branch 'master' of github.com:codalab/codalab
Merge branch 'master' into beaudev