C++ API - frame.hpp: add new constructor for numpixels. Fix demosaic(), new packet must support RGB and new frame event must have it set for demosaic.
C++ API - frame.hpp: add new constructor for numpixels.
Fix demosaic(), new packet must support RGB and new frame event must have it set for demosaic.

inilabs/libcaer,inilabs/libcaer,inilabs/libcaer,inilabs/libcaer