Added license file
tree1b628e69d8b710d8eef93b5d355cb52aa369774f
-rw-r--r-- 15122 COPYING
-rw-r--r-- 15122 LICENSE
drwxr-xr-x - backends
drwxr-xr-x - docs
drwxr-xr-x - include
drwxr-xr-x - src