Fix imports
stubs out email locations + tests
Improve retry strategy when sending/receiving messages to service bus queues.
Merge pull request #475 from cpoulain/dev

Improve retry strategy when sending/receiving messages to service bus queues
Enable gzip compression for *.js and *.css assets.
Merge pull request #478 from cpoulain/dev

Perf improvements. Enable gzip compression for *.js and *.css assets.
added cors-enable.py for local testing
Script to generate sample CL Server config for local development.
Removed a bunch of graphic files that are no longer used.
merge master
stubs out tests/triggers for email
removes comments
fixes datetime warnings ive been getting forever, first test mostly working (got auth working)
fills in a few more tests, refactor how emails are sent (need to do templates and such in there soon)
update status emails + tests, better subjects
stubbing out task, modal + colors working
added view for submitting email to participants and lots of tests
Script to generate sample CL Server config for local development.
Merge branch 'dev' of https://github.com/cpoulain/codalab into dev
Permission fixes.