Remove unsafe methods form swagger ui

Also add custom exception handling to the api, uniforming how failures
are reported to the consumer
rename message attribute to detail on oauth failures
returning excluded count of failures
reduce noise in the bug suggestions
made changes
fixes per feedback from jeads
regex updates
endpoint reads only from cache
moved cache write to jobs.py
code cleanup
made lots of changes
made more changes
new manage commands
moved celery beat schedule to fixtures
fixup! rename message attribute to detail on oauth failures
Merge pull request #140 from mozilla/endpoints-polishing

Remove unsafe methods form swagger ui