Glue rebase 2

[zonkmachine]

Manually rebasing #5482 on top of master and fixing up the commit message.

Replaces #5482

[LmmsBot]

🤖 Hey, I'm @LmmsBot from github.com/lmms/bot and I made downloads for this pull request, click me to make them magically appear! 🎩

Linux

• Linux (AppImage): lmms-1.2.3-733%2Bg32de995-linux-x86_64.AppImage (build link)

Windows

• Windows 32-bit: lmms-1.2.3-733%2Bg32de99518-mingw-win32.exe (build link)
• Windows 64-bit: lmms-1.2.3-733%2Bg32de99518-mingw-win64.exe (build link)
• Windows 32-bit: lmms-1.2.2-msvc2017-win32.exe (build link)
• Windows 64-bit: lmms-1.2.2-msvc2017-win64.exe (build link)

macOS

• macOS : lmms-1.2.3-733%2Bg32de99518-mac10.13.dmg (build link)

🤖

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[zonkmachine]

OK. The code hasn't changed from #5482 and I've taken it for a last test run. Merging.

[zonkmachine]

The whole point with this whole rebase was to change the ownership back to the original author, CYBERDEViLNL.
I failed miserably at this and now he's the only one who isn't mentioned in the final commit. Disappointed...