create folder external_package and mv hickle and lpips-tensorflow package there

video_prediction_savp/env_setup/create_env_zam347.sh

...diction_savp/external_package/lpips-tensorflow/.gitignore

...iction_savp/external_package/lpips-tensorflow/.gitmodules

...prediction_savp/external_package/lpips-tensorflow/LICENSE

...ediction_savp/external_package/lpips-tensorflow/README.md

...external_package/lpips-tensorflow/export_to_tensorflow.py

...iction_savp/external_package/lpips-tensorflow/lpips_tf.py

...vp/external_package/lpips-tensorflow/requirements-dev.txt

...n_savp/external_package/lpips-tensorflow/requirements.txt

...rediction_savp/external_package/lpips-tensorflow/setup.py

...on_savp/external_package/lpips-tensorflow/test_network.py