Adds Game.java.

Adds a new file, Game.java. It will be the main fiel of the game. #
Please enter the commit message for your changes. Lines starting # with
'#' will be ignored, and an empty message aborts the commit. # On branch
maingame # Changes to be committed: # (use "git reset HEAD <file>..." to
unstage) # # new file: Game.java #
Adds a new line to Game.java.

Adds the main class to Game.java.
Creates Graphics.java for future development.

Graphics.java will contain methods to draw
the game in the future.
Merge remote-tracking branch 'mikael/graphicsBranch' into devel