Code review comment for lp:~pfalcon/linaro-android-frontend/reset-retention-for-official

I'd appreciate a comment in the resetRetentionSettings about what
it's actually doing, as it's not particularly clear why deleting an
element named "logRotator" means that builds aren't deleted.

32 + "You are not allowed to create official build", status=403)

That should be "You are not allowed to create an official build."

Thanks,

James