Added tqdm exception to license file and license headers.

CONTRIBUTING.rst

LICENSE

bin/enpt_cli.py

enpt/__init__.py

enpt/execution/__init__.py

enpt/execution/controller.py

enpt/io/__init__.py

enpt/io/reader.py

enpt/model/__init__.py

enpt/model/images.py

enpt/model/metadata.py

enpt/model/srf.py

enpt/options/__init__.py

enpt/options/config.py

enpt/options/options_schema.py

enpt/processors/__init__.py

enpt/processors/atmospheric_correction/__init__.py

...ocessors/atmospheric_correction/atmospheric_correction.py

enpt/processors/cloud_screening/__init__.py

enpt/processors/cloud_screening/cloud_screening.py