[vlc/f26] (7 commits) ...Merge branch 'master' into f26

Summary of changes: b0cd75c... Workaround opencv failure (*) 967f8a8... Revert "Workaround opencv failure" (*) 9a5f073... Better workaround (*) 95bbfb9... Rebuild (live555-2018.01.29) (*) 0d6a7d3... Minor updates (*) 65ce926... Update to 3.0.0 release (*) 2424e17... Merge branch 'master' into f26 (*) This commit already existed in another branch; no separate mail sent