[lives/f23] (6 commits) ...Icon installed by Make

Summary of changes: 3f49563... Add ProjectM support on Fedora >= 24 (*) 2f5a692... Fix icon installation (*) eae011e... Fix icon directory (*) 5f5d504... Fix icon installation (*) dae37fc... Update to 2.6.7 (*) 507c138... Icon installed by Make (*) (*) This commit already existed in another branch; no separate mail sent