simplified protobuf interface, changed docstrings

enstools/__init__.py

enstools/feature/__init__.py

enstools/feature/example_template.py

...e/identification/_proto_gen/african_easterly_waves_pb2.py

...ools/feature/identification/_proto_gen/pv_streamer_pb2.py

enstools/feature/identification/_proto_gen/template_pb2.py

...ture/identification/african_easterly_waves/climatology.py

...re/identification/african_easterly_waves/configuration.py

...e/identification/african_easterly_waves/identification.py

enstools/feature/identification/identification.proto

enstools/feature/identification/identification.py

enstools/feature/identification/pv_streamer/configuration.py

...ools/feature/identification/pv_streamer/identification.py

...ools/feature/identification/pv_streamer/pv_streamer.proto

enstools/feature/identification/subset_accessor_TODELETE.py

enstools/feature/identification/template/identification.py

enstools/feature/identification/template/template.proto

enstools/feature/pipeline.py

enstools/feature/todos.txt

enstools/feature/tracking/object_compare_tracking.py