added air indicator
treef55ffe4832a47c2307a885c79d8382bff8f848d1
drwxr-xr-x - _wad
drwxr-xr-x - data
-rw-r--r-- 40987 engine.d
drwxr-xr-x - jsdata
-rw-r--r-- 4957 mminer.d
-rw-r--r-- 3566 wadarc.d
-rw-r--r-- 51019 x11gfx.d