Sounds, and finally a leafboy's musical theme!

CHANGES:
- Added music, made by me in 30 minutes, using chiptune VSTs from http://www.tweakbench.com/
- Added free sounds taken from http://www.freesound.org/
- Added WASD control scheme
- Added another level



NEXT STEP:
- Finding why does the sound effects have SO MUCH LAG. ):<
- Still not animation, I'm not gonna animate leafboy... we'll see whats next.
- More levels, obviously

Lots of new stuff!! :3 leafboy!

CHANGES:
- Lots of graphical enhancements!
- Spikes that kill you
- 2 new levels
- Added a windy background sound and a random song I did some years ago (that is not catchy nor happy enough to continue being in this game)

and, the most important one: LEAFBOY IS HAPPY! :DDD yeeee \o


NEXT STEP:
- Add sfx (obviously free)
- Compose a damned catchy song
- Working mute button

NEXT NEXT STEPS:
dunno.. more levels? better graphics?