set a monitor geometry only when creating it

Lets layers with an exclusive area shrink the usable area

render in the same order as sway

update make clean

correct variable name

rename functions too

remove extra space

render layer surfaces

improve naming

rename Layer to LayerSurface; layer should refer to overlay, top, bottom
or background
LayerSurface variables are always called layersurface
wlr_layer_surface_v1 variables are always called wlr_layer_surface

layer shell initial attempt

set up interfaces in same order as sway

This makes it easier to compare WAYLAND_DEBUG logs when troubleshooting.

enable gamma control

cleanup function to match dwm

fix usage to match

we're not really using the log

this is technically barf too I guess?

only call updatewindowtype for x11 windows

handle NULL return from backend_autocreate

Fixes #44.

add macro for fatal errors

dwm lets the OS do cleanup if the program errors out

Use SIGCHLD handler from dwm

Fixes #46.

make this marginally less ugly