Implemented drag and drop.
treef6601a7dc0bbad01a176c85405b34081468db7da
-rw-r--r-- 12 .gitignore
-rw-r--r-- 125 Rakefile
drwxr-xr-x - data
-rwxr-xr-x 53 kaya
drwxr-xr-x - lib
drwxr-xr-x - test