Breaking Changes

• Removed RabbitMQ connector (#1631).
• Removed overrides decorator (#1631).

Major Features and Improvements

• Improvement of models for question answering over knowledge graphs (#1598).
• GLUE models update (#1645).

Bug Fixes and Other Changes

• Fix the Russian SuperGLUE certificates bug by loading the datasets from DeepPavlov servers (#1633).
• General requirements update (#1631, #1643).
• Fixed CRF save in torch_transformers_sequence_tagger (#1637).
• Fixes in tests (#1640).