core/mksh: provide ksh
core/busybox: disable ar, init
unbreak xorg/xorg-server
add xorg/libxcursor
add xorg/xcb-util-wm
add xorg/xcb-util-keysyms
add extra/libev
add extra/libjpeg-turbo
add extra/libtiff
unbreak xorg/xorg-server
add extra/giflib
add extra/i3-wm