Add AUTHORS file.
Add AUTHORS file.

AravisProject/aravis,AnilRamachandran/aravis,AravisProject/aravis,lu-zero/aravis,lu-zero/aravis,lu-zero/aravis,AnilRamachandran/aravis,AravisProject/aravis,AnilRamachandran/aravis,AnilRamachandran/aravis,AravisProject/aravis,AravisProject/aravis,lu-zero/aravis,AnilRamachandran/aravis,lu-zero/aravis