operators: fixstarssgm and bilateral filter

applications/vision/src/main.cpp

components/operators/CMakeLists.txt

components/operators/include/ftl/operators/disparity.hpp

components/operators/include/ftl/operators/opticalflow.hpp

components/operators/src/disparity/bilateral_filter.cpp

components/operators/src/disparity/disparity_to_depth.cpp

components/operators/src/disparity/fixstars_sgm.cpp

components/operators/src/disparity/optflow_smoothing.cpp

components/operators/src/nvopticalflow.cpp

components/rgbd-sources/CMakeLists.txt

components/rgbd-sources/src/source.cpp

...ents/rgbd-sources/src/sources/stereovideo/stereovideo.cpp

...ents/rgbd-sources/src/sources/stereovideo/stereovideo.hpp