Online highscores and some updates!

Both the HTML and Windows versions have received updates!

The most important update is the introduction of the new highscore system.
Both versions access the same online highscore table.
It's powered by PurpleToken.com ( thank you Phaelax!! ) and features 20 entries.

So...stop reading and go fire some missiles already :D

Patch notes:
- Online highscore system implemented ( PurpleToken )
- Sound volume option implemented
- Improved Intro - Shorter duration, bigger explosions
- Version number shown during Intro
- Removed one-time flicker in Intro
- Sync rate on HTML is now 60 instead of 30-32
- Improved keyboard and mouse input
- Max particles increased to 800
- Code clean-up

Ready Player One!
PSY