merge met pepijn (meerdere lines + random piece)

hoop dat dit goed gaat

ALSO FUCK YOU ROTATEN
Revert "merge met pepijn (meerdere lines + random piece)"

This reverts commit eafe70f353b3b44eb7124f31b4c05a25e79cd1c2.
Merge branch 'master' of https://github.com/Chartle/Gameprogrammeren-Practicum-2

Conflicts:
	Practicum2/Practicum2.v12.suo
	Practicum2/Practicum2/Practicum2/bin/x86/Debug/Practicum2.exe
	Practicum2/Practicum2/Practicum2/bin/x86/Debug/Practicum2.pdb
	Practicum2/Practicum2/Practicum2/gameobjects/TetrisGrid.cs
	Practicum2/Practicum2/Practicum2/obj/x86/Debug/Practicum2.csproj.FileListAbsolute.txt
	Practicum2/Practicum2/Practicum2/obj/x86/Debug/Practicum2.exe
	Practicum2/Practicum2/Practicum2/obj/x86/Debug/Practicum2.pdb