RayCast attempt

Tried to use the xna ray structure to find if a line of sight is
colliding with the level. Not working perfectly. Red circle is drawn
around player when there is a collision between player and mouse.
Merge pull request #36 from Lakon/master

RayCast attempt
Resolving MB's merge conflict.
Merge branch 'Daikatana-master' into development
Merge pull request #12 from MikePaNtZ/development

Development