Compiles on Linux!
Merge branch 'master' of https://github.com/KostyaKow/tarrasch-chess-gui into KostyaKow-master

Conflicts:
	src/t3/PrivateChessDefs.cpp
	src/t3/Undo.h
Remove thc/makefile because new thc.cpp and thc.h remove need for library
Remove thc/makefile because new thc.cpp and thc.h remove need for thc library