[mythtv/el7] (6 commits) ...Remove f26 target from helper script.

Summary of changes: ae15c59... add f28 to update_fixes.sh (*) 5f3a23a... Update to v29.1.21.20180529.g1777cc4425 from branch fixes/2 (*) 31fd468... Add version and release to mythtv interpackage dependencies (*) d2393f7... Rebuild for new libass version (*) ca5623f... Update to v29.1.30.20180709.g2a0dadb37c from branch fixes/2 (*) 1e3cf3c... Remove f26 target from helper script. (*) (*) This commit already existed in another branch; no separate mail sent