added ack to README so it shows up on the front page of the github repo
added ack to README so it shows up on the front page of the github repo

vtsynergy/OpenDwarfs,pyrovski/OpenDwarfs,vtsynergy/OpenDwarfs,opendwarfs/OpenDwarfs,pyrovski/OpenDwarfs,pyrovski/OpenDwarfs,vtsynergy/OpenDwarfs,opendwarfs/OpenDwarfs,opendwarfs/OpenDwarfs