Soft Actor-Critic + Bug fixes

• fixed a bug in the dataset generator where the GUI was instantiated two times
• updated stable-baselines version + srl-zoo submodule
• add stable-baselines SAC version
• remove pytorch SAC version breaking changes

Stable Baselines Version

Model trained with previous release are not compatible with this version.

• refactored all rl baselines to integrate with Stable Baselines breaking changes
• updated plotting scripts
• added doc

First Stable Version

Initial release, using OpenAI Baselines (and patches) for the RL algorithms.