added the human player header (HPlayer.h) and AI player header (AIPlayer.h)
these are inheritted by the Player class which is now abstract
Merge https://github.com/emirosejohn/pg7 into newheaders
added AIPlayer.h and HPlayer.h both of which are inherited from Player class. SO Player class is also now abstract
Merge pull request #3 from emirosejohn/newheaders

Newheaders