Updated version to 0.6
Cleaned up some using statements
Will be branching off in a sec to test physics

Signed-off-by: BunnyRabbit2 (Lewis Storey) <iamlewisstorey@yahoo.com>
Added a physics test screen
Added all neccessary stuff for the screen to work
Added addGameScreens function and other stuff to fix a bug
Added code to make _blockUpdating actually work
Added rotation to coloured rectangle
Added farseer logo to splash

Signed-off-by: BunnyRabbit2 (Lewis Storey) <iamlewisstorey@yahoo.com>