Resolves #36 and most of #59

components/renderers/cpp/src/display.cpp

components/renderers/cpp/src/rgbd_display.cpp

components/rgbd-sources/CMakeLists.txt

components/rgbd-sources/include/ftl/rgbd.hpp

components/rgbd-sources/include/ftl/rgbd/camera.hpp

components/rgbd-sources/include/ftl/rgbd/detail/source.hpp

components/rgbd-sources/include/ftl/rgbd/group.hpp

components/rgbd-sources/include/ftl/rgbd/snapshot.hpp

components/rgbd-sources/include/ftl/rgbd/source.hpp

components/rgbd-sources/include/ftl/rgbd/streamer.hpp

components/rgbd-sources/include/ftl/rgbdvideo_source.hpp

components/rgbd-sources/include/ftl/stereoimage_source.hpp

components/rgbd-sources/src/algorithms/fixstars_sgm.hpp

components/rgbd-sources/src/algorithms/rtcensus.hpp

components/rgbd-sources/src/algorithms/rtcensus_sgm.cpp

components/rgbd-sources/src/algorithms/rtcensus_sgm.hpp

components/rgbd-sources/src/calibrate.cpp

components/rgbd-sources/src/calibrate.hpp

components/rgbd-sources/src/disparity.cpp

components/rgbd-sources/src/disparity.hpp