Translated Audio Menu to Chinese

Motion Style
-- Discovered it was broken.
-- Fixed it
-- Moved it from Menu > Audio to Menu > Viz Tweaks

Viz - Tunnel
- Adjusted Variation 2 to catch the beat more. Instead of taking the max value between channels, I'm averaging them all together.

Viz - Tunnel
- Shapes: Box, Circle, Triangle, Diamond
- Variations
- - - All Channels
- - - Averaged Channel
- - - WIP

Added New Viz
- Tunnel

Dynamic Weather
- added snow settings to the gui menu

More tweaks to the image blurring code. It should work more correctly now. specifically the "no glass no rain" option.

Minor code simplification

BG Filters
- Minor compatibility tweaks

BG Effects - Filters
- Decided to expand upon the filters usable on the backround image. Originally you could give it a blur in order to imitate foggy glass, which looked great with raindrops.
- New filters: saturate, contrast, brightness, hue, sepia, invert