Update class Framework.pkg: Fix drop subclasses apt.aptdaemon apt.cli.aptdaemon apt.gtk.aptdaemon: Obsolete.

Fix class Hardware.laptop.olimex: Provide only since Buster. Include class Hardware.bootloader.u-boot.sunxi.

Improve class Admin.etc.functions: Favor _setline on already enabled keyword over uncommenting. Simplify _setvar _setinivar.

Update class Desktop: Fix drop obsolete subclass environment.razorqt. Add subclasses environment.lxqt environment.qt tools.qt tools.network.qt media.qt media.video.qt media.video.mpv.qt office.qt office.libreoffice.base photo.view.qt qt screensaver.suckless terminal.qt web.qt. Add classes x11.sddm.elarun Framework.crypto.openssh.pinentry.qt. Update node showmebox-qt to use LXQt (Not Razor-Qt).

Update class Desktop.environment.gnustep.scheduling: Include package addressmanager.app. Tidy description.