Release icewm-3.4.2

Fixes

Fix the Window List Menu for #144.
Fix restoring from fullscreen with F11 in chromium for #141.

Changes

Support tabs in the Window List Menu.
Control the terminal in icewm-menu-fdo by option or environment.
Let icewm-menu-fdo use a list of default terminals to choose from.
Updated translations: Slovak, Dutch, Portuguese, Turkish, Indonesian,
Latvian and Swedish.

shasum icewm-3.4.2.tar.lz beee4688e06e8705330c2eca31a4ad7e7d76f305