WIP Refactor GPU camera

applications/reconstruct/CMakeLists.txt

applications/reconstruct/src/ilw.cpp

applications/reconstruct/src/ilw.hpp

applications/reconstruct/src/voxel_render.cu

applications/reconstruct/src/voxel_scene.cpp

components/common/cpp/include/ftl/cuda_operators.hpp

components/common/cpp/include/ftl/cuda_util.hpp

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

components/scene-sources/include/ftl/scene/framescene.hpp

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