Updated use file
Implemented toRaster for Android  contexts
Added padding information functions
Now copies row by row if buffer contains padding
Added channels variable for GpuImages and added overloaded toRaster function for overwriting data in RasterImages with GpuImage
Implemented toRaster for overwriting buffer data in RasterImages with GpuImage
Implemented toRaster function
Removed deprecated functions
Adapted to addition of channels variable for GpuImage
Added code for drawing overlay crosshair
Removed deprecated functions
Implemented toRasterDefault
Added code for drawing overlay crosshair in Window
Merge branch 'master' of https://github.com/cogneco/ooc-kean
Merge pull request #12 from EmilWestergren/master

Implemented specialized toRaster for Android