Implements #236 Fast Approximate Anti-Aliasing

applications/gui/src/camera.cpp

applications/gui/src/media_panel.cpp

applications/reconstruct/src/ilw/correspondence.cu

applications/reconstruct/src/main.cpp

components/codecs/include/ftl/codecs/channels.hpp

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

components/operators/CMakeLists.txt

components/operators/include/ftl/operators/antialiasing.hpp

components/operators/src/antialiasing.cpp

components/operators/src/antialiasing.cu

components/operators/src/antialiasing_cuda.hpp

components/operators/src/colours.cpp

components/operators/src/mls.cu

components/operators/src/segmentation.cu

components/renderers/cpp/include/ftl/cuda/weighting.hpp

components/renderers/cpp/src/reprojection.cu

components/renderers/cpp/src/tri_render.cpp

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