add sleeping for ZAS connection edges

Edges will sleep and fully balance if compare() passes.
also some small small xgm tweaks.

Signed-off-by: Mloc-Argent <colmohici@gmail.com>
fix up airless turfs to be actually airless

Signed-off-by: Mloc-Argent <colmohici@gmail.com>
buff rwall health, change wall fire damage scaling.

Now uses a fancy log instead of whatever that thing was.

Signed-off-by: Mloc-Argent <colmohici@gmail.com>
Merge pull request #7491 from Mloc/bs12-sleepyedges

atmos changes; sleepy edges and hardy rwalls