VS2012 project settings now uses relative include paths.
And output folder is new.
Can now use END and HOME key in textboxes.
And a small change in window behavior: "f" no longer trigger fullscreen.
Added new class Computer.
And saved proj settings to vs2012.
Purpose of the class is to work as the computer ai.
Simplified the code for class Block.
And added functions to identifie the current rotation.

Changes were also made in more classes in order to take advantage of the changes in Block.
Updated ai code.
New Image to represent the computer player.
Moved implemention of a function header.
This in order for the compiler to make it inline.
Added underscore to public variables in the struct Input.
And changes to all files affected by this.
Added a cross image.
Will be used by when the user chooses non human or non computer players.
The player can now choose to play up against 4 ai opponents.
The ai is not implemented yet.
Smaller cross.
The ai can now be played.

However, the ai is slow and very bad.
Ai improvements.

Tha can survive up to arround 4 level.
Several changes.
Using new class enum (c++11) and chnges made accordingly to this.

In class tetrisboard the filled rows field was removed and the public interface reflects this.

Some small AI in class Cumputer to.
Some unused code, may be used in the near future.
Moved the implementation of class Computer to ".cpp" file.
Great improvements of the Ai.
Some due to more calculations and some to better tuning of the parameters.
enum Move changed to enum class Move and is not outside TetrisBoard.
Updated class RawTetrisBoard.
class TetrisBoard is now derived from class RawTetrisBoard.