俄罗斯方块游戏C++版本

# tinytetris Implemented the basic functionality of Tetris with the source code available on GitHub. On the basis of this, improved the game to quit directly when it is game over. ### tinytetris - commented.cpp This is the 80x23 version. You control it with a (left), d (right), w (rotate), s (drop), and q (quit). It depends on curses.h (so you'll need to compile with -lcurses, and install curses if you don't already have it) and requires C++11. ### Notes This is my self-study project from http://github.com/taylorconor/tinytetris.git, I just do some change on it for learning.