Gromozeka

Fixed
- Fixed some loggers names

Fixed
- Moved protobuf requirement to base.txt
- Fixed app_id in config (loggers names)
- Fixed reply to broker option in task_send

Added
- Added documentation how to visualize workflows

Fixed
- Fixed readme errors
- Fixed changelog

Fixed
- Fixed errors in setup.py

Fixed
- Fixed some pool issues
- Stability improvements

Added
- Workflows
- Retries

Added
- Added BrokerInterface and BrokerAdapter