added example to template
making diff for PR
adds competition.secret_key, view modifications and tests
reoves cruft
adds app
getting jobs in queue, saving spot
adds form, settings, gauges
adds missing migration
gauge stuff stubbing out triggers
tests passing for system monitoring triggers, just need to add scheduler to ping it
fixes tests
merged master
fixed migrations
Merge pull request #578 from codalab/feature/private-url-for-unpublished-competitions

Secret URL to access unpublished competitions
fixes null email references
Fixes logic
Fixes tests
Merge pull request #580 from codalab/feature/system-monitoring

System Monitoring
merge dmaster
adds migration