Merge pull request #2 from kmmitov/master

New change
inheritance is now public
Merge branch 'master' of https://github.com/HuKCaHa/chess

Conflicts:
	chess/src/Game.cpp
Update Piece.h
test
Delete test
Added availablePositions() for rook,bishop, queen and king
Added availablePositions() for rook,bishop, queen and king
added availablePositions() for Knight and pawn
Im lazy
Merge pull request #2 from HuKCaHa/master

Merge