move Gosu backend into its own directory
treea4488f83d009e04c438d83c3f8ad32e5b925b445
-rw-r--r-- 80 .gitignore
-rw-r--r-- 84 .gitmodules
-rw-r--r-- 4451 CREDITS.txt
-rw-r--r-- 1089 LICENSE.txt
-rw-r--r-- 303 Makefile
-rw-r--r-- 1937 README.txt
drwxr-xr-x - data
drwxr-xr-x - doc
drwxr-xr-x - scripts
drwxr-xr-x - src