Discontinue Fedora 26, 27, and 28 -- they are eating a substantial chunk of our free Circle CI build time.
Discontinue Fedora 26, 27, and 28 -- they are eating a substantial chunk
of our free Circle CI build time.

clangen/musikcube,onnerby/musikcube,clangen/musikcube,clangen/musikcube,clangen/musikcube,onnerby/musikcube,onnerby/musikcube,clangen/musikcube,clangen/musikcube,clangen/musikcube,onnerby/musikcube,onnerby/musikcube,clangen/musikcube