[kaffeine/f27] (3 commits) ...update to 2.0.15 release
Summary of changes:
082e51d... Use ninja to build (*)
15fb1c8... - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass (*)
ef4342e... update to 2.0.15 release (*)
(*) This commit already existed in another branch; no separate mail sent