add conf_ignore and move group_make_autogroup to conf_autogroup to match.
zap extra space
slightly rework WM_STATE set/get to make it less ambigious; will be more clear
on what needs to change to make it right in the end.
mechanical xu_{get,set}state -> xu_{get,set}_wm_state change
use an int in screen_init and avoid needing to cast for screen number (which).
type fix
missing proto
group conf_* init functions