Add cleanup step and trap to re-enable centos yum conf
fix centos repos accidentally activating
Merge branch 'fuel-777-vvk' of github.com:Mirantis/fuel into vvk
fix misc yum errors in rpmcache script
remove typo
remove extra revert steps. trap reverts fine
Merge pull request #469 from mattymo/777-revert-to-centos-fix

Add cleanup step to rpmcache and enable nailgun repo