Revert "Revert "added todo""

This reverts commit 25eb7b9af0b097e274bc50e2f7b6ba1b85aeae1b.

Conflicts:
	Tetris/Tetris/Block.cpp
Merge remote-tracking branch 'origin/jo1'

Conflicts:
	Tetris/Tetris/Block.cpp
added comment2
Merge remote-tracking branch 'origin/master'

Conflicts:
	Tetris/Tetris/Block.cpp