add mls' script to mirror repos from build service
sync the factory repo first and then check
Merge pull request #126 from openSUSE/coolo_sync

Coolo sync
Change not ... is to is not.
Do not use FreezeCommand? Do not import it.
Makes sure that the review project have the correct prefix
Takes care of the prefix for a different entry points of find
Create /var/cache/repo-checker for Travis