Merge branch 'feature/virtualcam' into 'master'

applications/reconstruct/CMakeLists.txt

applications/reconstruct/include/ftl/ray_cast_sdf.hpp

applications/reconstruct/include/ftl/ray_cast_util.hpp

applications/reconstruct/include/ftl/virtual_source.hpp

applications/reconstruct/src/main.cpp

applications/reconstruct/src/ray_cast_sdf.cpp

applications/reconstruct/src/ray_cast_sdf.cu

applications/reconstruct/src/virtual_source.cpp

components/renderers/cpp/CMakeLists.txt

components/renderers/cpp/include/ftl/rgbd_display.hpp

components/renderers/cpp/src/display.cpp

components/renderers/cpp/src/rgbd_display.cpp