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.
Merge branch 'upstream_master'