Create HDR: adapt to scaling
rawprepare: prepare for using blackLevelSeparate
rawprepare: raw mosaic: sepBlack
Rawprepare IOP: GUI
rawprepare: scaling for raw mosaic buffers [SSE]
rawprepare: scaling for floating point buffers buffers [SSE]
Rawprepare iop: implement OpenCL kernel (1f)!
Rawprepare iop: implement OpenCL kernel (4f)!
iop_dependencies.py: add rawprepare
Run iop_dependencies.py after merge!