Summary of changes:
32093c0... Use https instead http in URLs (*)
1388ce5... deleted smtube-18.11.0-system-qtsingleapplication.patch (*)
a3e9e79... Update to 19.10.2 (*)
335c8e4... Drop patch4, upstream did a similar fix. (*)
(*) This commit already existed in another branch; no separate mail sent