[aquaria] [2 patches] Note effects and radial blur

[False.Genesis]

Hi,
so i was playing around with the usersettings.xml and noticed I never 
tried these 2 settings: <Blur on="0" /> <NoteEffects on="0" />
  - both disabled by default and only changeable directly in the config 
file.

Note effects (glow + ripples when singing) look nice, but they were 
broken on widescreen, and the ripples looked not so good.
The patch is a one-liner to fix the widescreen issue and improve the 
look of the ripples (personal taste).

The 2nd patch re-activates & fixes disabled code for a radial blur 
effect. It requires framebuffer effects turned on and <Blur on="1" /> in 
the settings. Personally, i think spirit form looks much cooler with it.
Had to move the DarkLayer rendering code _after_ the post FX code, 
otherwise the dark layer was not shown when blur was active.

Screenshots: 
http://dl.dropbox.com/u/22111385/Aquaria/screenshots/radialblur1.jpg, 
http://dl.dropbox.com/u/22111385/Aquaria/screenshots/radialblur2.jpg

Have fun with it!
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