Deeppavlov

- [Configuration and model for DRCD \(Chinese SQUAD\)](http://docs.deeppavlov.ai/en/0.8.0/features/models/squad.html#drcd) based on Chinese BERT
- Remove all Keras usage in favor of `tensorflow.keras`
- Start refactoring of goal-oriented bot code
- Update dependencies versions
- Add a [BERT-embedding component](http://docs.deeppavlov.ai/en/0.8.0/features/models/bert.html#bert-as-embedder) as a first step of moving from [google-research/bert](https://github.com/google-research/bert) to [HuggingFace's Transformers](https://github.com/huggingface/transformers)
- Release [BERT-based sentence embedders models](http://docs.deeppavlov.ai/en/0.8.0/features/models/bert.html)
- Smaller changes and fixes

- [BERT for Extractive Summarization](http://docs.deeppavlov.ai/en/0.7.1/features/models/bert.html#bert-for-extractive-summarization)

- Replace Flask with FastAPI everywhere
- [A syntax parser model](http://docs.deeppavlov.ai/en/0.7.0/features/models/syntaxparser.html)
- Deprecate Agent and Skill classes in favor of [DeepPavlov Agent](https://github.com/deepmipt/dp-agent)
- Change [DeepPavlov settings](http://docs.deeppavlov.ai/en/0.7.0/integrations/settings.html) structure
- Code style fixes
- Many smaller changes and fixes

- New gobot tutorial
- Replace Flask with FastAPI for riseapi
- New section in quickstart documentation about out-of-the-box pretrained models
- Minor NER dataset reader fix
- Other minor documentation changes

* New [risesocket mode](http://docs.deeppavlov.ai/en/0.6.0/integrations/socket_api.html)
* A [wrapper for Rasa skills](http://docs.deeppavlov.ai/en/0.6.0/features/skills/rasa_skill.html)
* New [gobot tutorial](https://github.com/deepmipt/DeepPavlov/blob/0.6.0/examples/gobot_tutorial.ipynb)
* Conversational Bert in Russian
* Minor fixes and documentation updates

- Downloads resuming after interruptions
- Small documentation tweaks
- [Multilingual SQUAD configuration](https://github.com/deepmipt/DeepPavlov/blob/0.5.1/deeppavlov/configs/squad/squad_bert_multilingual_freezed_emb.json) for inference