[mock-rpmfusion-nonfree/el6] (16 commits) ...Merge branch 'el6'

Summary of changes: 5262df2... Update to 19.1 (*) ab62341... Update to 20.0 (*) f664663... Update to 20.1 (*) 2fc29a8... Update to 21.0 (*) 3d41eda... Update to fedora-22 (*) 0ec0ea1... Update to 23.0 (*) 2620c9b... Update to 24.0 (*) af2436f... Update to 25.0 (*) a794591... Update package requires to mock >= 1.2.19 (*) 3534c57... Fix el-round.sh typo (*) 0af5f9f... Add configuration files for Fedora 26 Remove Configuration (*) fcf159b... - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass (*) ddd500e... Add configuration files for Fedora 27 Remove Configuration (*) 25752b7... Move rpmfusion buildroot to branch F28 Prepare new version (*) 53db9a0... Merge commit '3d41eda7f87f05a219bea1e32c6e7a96fd6001ff' int (*) 49961f0... Merge branch 'el6' (*) (*) This commit already existed in another branch; no separate mail sent