More JavaDoc and removed unnecessary exceptions
More javadoc
Initial commit of the Congratulations screen with floating balloon.
Swapped contents of level_select_styles and start_screen_styles because they were in the wrong place. Added a background image to the congratulations screen but it still needs a style
Added background image to congratulations screen
Congratulations screen has animated balloons and a title. Needs balloons hiding before they're animated, title cenetered and more balloons.
Finished balloon animations and screen layout of congratulations screen