fixes #472 (oups the PR branch has wrong number!)
inference_segmentation.py:
implement output_path and name heatmap and temp file accordingly
replace aoi.raster_name to aoi.aoi_id for cleaner log README.md: update inference and aoi READMEs
default_binary.yaml: add output_path
default_multiclass.yaml: idem
fixes #472 (oups the PR branch has wrong number!) inference_segmentation.py: