Tweaks for deploy config
Fixed settings
Merge branch 'master' into beaudev
Added pytz specifically
Adding tasks
Update README.md

Added data loading command.
Some API work for submissions and deploy setup
Merging current work for deployment and submissions
Fixes #9
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
Removed extraneous fields from signup
Added first test
Work in progress: Some provisioning and deployment config
Merging master into branch