Substitute np.int, np.float and np.bool for int, float and bool

code/python/src/utility/blending.py

code/python/src/utility/cam_models.py

code/python/src/utility/depth_stitch.py

code/python/src/utility/depthmap_utils.py

code/python/src/utility/gnomonic_projection.py

code/python/src/utility/image_io.py

code/python/src/utility/pointcloud_utils.py

code/python/src/utility/polygon.py

code/python/src/utility/projection_icosahedron.py

code/python/src/utility/spherical_coordinates.py

code/python/src/utility/subimage.py