Release icewm-3.8.0

Features

Show the theme minimize button as a preview icon in the Themes menu.

Changes

Optimize the Themes menu to load faster.
Optimize the CPU and MEM graph to reduce cpu usage.
Extend the Help menu with some manpages.
Convert hotkeys to uppercase with respect for the current locale.
Use a non-deterministic random number generator in icesh and icewmbg.
Silence clang warnings on OpenBSD.

New translation: Serbian.
Updated translations: Slovenian.

shasum icewm-3.8.0.tar.lz 0b312fcd2cd52706b504395a7f397cee04fc2d94