Merge branch 'release/2.0.14' into develop
Bump spec.
Defer yumlock creation until runtime.

At import time, the tg.config hasn't yet been populated, so our config
value has no effect.

Tested in staging.
Quick release.
Merge pull request #73 from fedora-infra/feature/adjusted-yumlock

Defer yumlock creation until runtime.
Log exceptions.
Merge pull request #74 from fedora-infra/feature/log-exceptions-plz

Log exceptions.
Try to be smarter with our locking.
Remove the locking stuff.
Merge pull request #75 from fedora-infra/feature/roll-that-locking-stuff-back

Feature/roll that locking stuff back
2.0.15
Merge branch 'release/2.0.15'