brindosch a38502b8fe
build: Update Windows to Qt5.15 (#798)
* Update compile howto

- to qt5.15
- minimal install overhead
- sync with vscode and cmake

* Update docs with more input

gh actions windows: Qt5.15 and msvc2019

* fix: Azure build
2020-05-18 21:09:33 +02:00
..
2020-05-12 19:51:19 +02:00