core: implement tile deleting
treed7448076dbde70f8980bae7e323a574093738d53
-rw-r--r-- 512 .gitignore
-rw-r--r-- 258 INSTALL
-rw-r--r-- 2424 SConstruct
drwxr-xr-x - bin
drwxr-xr-x - core
drwxr-xr-x - include
drwxr-xr-x - layout
drwxr-xr-x - loader
-rwxr-xr-x 1565 start-xephyr
drwxr-xr-x - xwm