RasterImage uses ByteBufferAbstract. Had to comment out Shift function, which wasn't being used anyway.
RasterImages now use ByteBufferAbstract in constructors.
Fixed stride calculation in RasterPacked.
Merge branch 'master' of https://github.com/cogneco/ooc-kean
Merge branch 'master' of https://github.com/cogneco/ooc-kean