BeamerPresenter 0.2.2_beta2

First release with compiled packages, first version building with cmake. If you find bugs or problems in the new build process or the attached packages, please open an issue.

Package files for the following systems are included:

• Ubuntu 20.04: *-qt5.12-x86_64.deb
• Ubuntu 21.10: *-qt5.15-x86_64.deb
• Arch Linux and Manjaro: *.pkg.tar.zst

Changes compared to version 0.2.1:

• more and better icons on buttons
• show some error message in a message window and not only on the command line
• new: German translation
• better history handling for text fields
• select GUI configuration file in settings widget
• new build process
• bug fixes