get new slippy map in rails
-rw-r--r-- 580 README
-rw-r--r-- 307 Rakefile
drwxr-xr-x - app
drwxr-xr-x - config
drwxr-xr-x - db
drwxr-xr-x - doc
drwxr-xr-x - public
drwxr-xr-x - script