Add bob.io.stream.filters for stereo operations

bob/ip/stereo/__init__.py

bob/ip/stereo/stereo_stream_filters.py

bob/ip/stereo/test/data/reprojection_color.png

bob/ip/stereo/test/data/reprojection_depth.png

bob/ip/stereo/test/data/stream_bounding_box.npy

bob/ip/stereo/test/data/stream_landmarks.npy

bob/ip/stereo/test/data/stream_projected_bounding_box.npy

bob/ip/stereo/test/data/stream_projected_landmarks.npy

bob/ip/stereo/test/data/warp_swir_norm.png

bob/ip/stereo/test/data/warp_thermal.png

bob/ip/stereo/test/test.py

conda/meta.yaml

requirements.txt