Added content of previous -qtVER package for continuity
- Change packagename from libsysstat-qtVER
- Update to 0.4.6:
* Bumped minimum required Qt version to 5.15 and dropped dead code.
- Update to 0.4.5:
* Initialized some variables.
* Used "= default" to define trivial destructors.
* Handled Qt5.15's deprecations.
- Update to 0.4.4:
* Bumped version to 0.4.4
- Changed libsysstat-qt5.keyring to tsujan's key

- Update to version 0.4.3
* C++11 code updates.
* Removed (duplicated) string casts definitions.

- Use noun phrase in summary.

- Update to 0.4.2:
* Improved cmake scripting and set cmake_minimum_required to 3.1.0
* Don't use automatic string conversions
* Removes local compile definition

- Update to 0.4.1:
* Bump patch version to 1
* CMake: Prevent in-source builds
* Fixed year and https
* Fixes some lxde mentions
* Drop Qt foreach.
* Handle CMake CMP0024
* Don't export github templates