GPUImageToneCurveFilter # initWithACVData added
Fix a issue that GPUImageMovie instance is retained by block object but not released.
fixed iOS 6.0 deprecation warning on dispatch_get_current_queue()
Started adding FAST corner detector.
Merge branch 'master' of github.com:BradLarson/GPUImage
Fixed the all the erosion and dilation filters after breaking them earlier.
Merge pull request #889 from hdevejian/master

 	fixes iOS 6.0 deprecation warning on dispatch_get_current_queue()
Merge pull request #888 from haileigu/upstream

Fix an issue that GPUImageMovie instance is retained by block object but not released
Merge pull request #698 from myeyesareblind/master

GPUImageToneCurveFilter: initWithACVData
Implemented a correction to the normal blend filter suggested by Ruochuan Du.
Fix GPUImageTwoInputFilter to correctly reset itself
Remove weak reference when processing video to fix dealloc issue
Applied karlvr's suggested fix for the Lanczos resampling filter's renderTarget crash, based on pull request #880.
Merge pull request #905 from aburgel/fix_twoinput_filter

Fix GPUImageTwoInputFilter to correctly reset itself
Merge pull request #904 from aburgel/fix_weak_reference

Remove weak reference when processing video to fix dealloc crash
Added forceProcessingAtSizeRespectingAspectRatio: to GPUImageFilterGroup, per issue #870.
Undid pull request #905, because it broke blends in many cases.
Fix filter resetting to ensure GPUImageTwoInputFilter is in good state
Started Mac port, so restructuring things to support this. Mac test application somewhat functional.
Added a FilterShowcase example to the Mac port and added an AV Foundation video camera input to the Mac.