CheckPoint 1

A check point before implementing the graphic interface
Graphic Interface Working  with some bugs
Graphic Interface update

Bugs fixed
Some changes in the aspect of the graphical interface
Multiple game sizes suported
Update of some comments
Working with thread
Tetris Beta 2.0

Some bugs fixed
Pause function
Two types of controls
Help option menu with information
Start game improved
Merge remote-tracking branch 'origin/master' into TetrisGUI