testing/icewm: upgrade to 2.9.9
Use /etc/icewm/ instead of /etc/ for files, similar to https://github.com/ice-wm/icewm/blob/master/rebuild.sh#L102
Switch from asciidoctor to markdown, as a smaller package.
Edited by Paul Bredbury
Use /etc/icewm/ instead of /etc/ for files, similar to https://github.com/ice-wm/icewm/blob/master/rebuild.sh#L102
Switch from asciidoctor to markdown, as a smaller package.