Made the ColorObjectTracking example functional, finally. It's a little slow because of the CPU-bound color averaging.
Added a smooth scaling option for GPUImagePicture inputs, using mipmaps and trilinear filtering.
Added conditional support for iOS 5.0 fast texture uploads, making simple image filters 2X - 5X faster.
Added a really simple vignette filter + added it into the filter showcase
Merge pull request #12 from keichan34/master

Vignette filter
simple Gaussian blur filter
correctly over-rode removeAllTargets and removeTarget:
selective blur in gaussian blur
Started adding a (currently nonfunctional) movie writer output.
Merged in Keita Kobayashi's Gaussian blur filter.
Fixed a couple of compilation issues with the project. Still working on the video recording.
Fixed iOS 4.0 compatibility with the project and two example applications.
Video recording is now working, and can record in realtime on an iPhone 4.
Merge branch 'development'

Conflicts:
	framework/GPUImage.xcodeproj/project.pbxproj
	framework/Source/GPUImageGaussianBlurFilter.h
	framework/Source/GPUImageGaussianBlurFilter.m
Improved the performance of the edge detection, sketch, and toon filters by 50%. Made it easy to use a custom vertex shader in a filter.
Merge branch 'new'
Gaussian blur now uses a vertex shader for calculations for performance

Selective blur has been removed temporarily, moving to a different filter
Merge pull request #14 from keichan34/master

Higher-performance Gaussian blur filter
Improved performance of the Sobel filter by removing the intensity slider. Fixed a few OpenGL ES issues.
Set a bottom range on the pixellate filter pixel width, to avoid weird artifacts we saw before for 0 values.