Asteroidz 6.6

Added score menu, scrolling feature in score menu, glowing stars on
separate canvas. Few bugs though, when organizing the list the name
doesn't change with it. When pressing enter and the focus is on the text
box for username it resets the whole game because it trys to go to a
directory.
Asteroidz 6.7

Added ranked numbers on left side of scores, made general main functions
specific to single for better maintainability.
Asteroidz 6.8

Changed score pic name/extension.
Asteroidz 6.9

Changed score pic name.
Asteroidz 7.0

Fixed extension name being uppercased.
Asteroidz 7.1

Fixed enter problem in userNamebox.
Asteroidz 7.2

Changed the message alignment of the endgame, set the textbox focused
when lost, add message on top right of score menu, disabled the clearing
of the background of the endgame.