Strip trailing whitespace
Convert task decorator

Add retry delay and max retires for future refactoring, which will hopefully
unblock the queues a bit more.
Make run tests find all the tests
Add NonBlockingLock

Will be used to do file locking with celery task retries
Swap out for nonblocking lock and retries

This should help with thundering builds by adding some celery retry logic to
update_docs
Comment on the .retry()
Tweak the retry settings

Disable re-raising of the locktimeout exception. Erps.
Merge pull request #783 from paulcollinsiii/build-system

Bit of retry logic