v1.7 - Rejuvenation Potion

What's Changed

• add test data to bvcc by @oplatek in #797
• Add reverb with fast RIR generator by @desh2608 in #799
• Support snip_edges=True in online_inference of Kaldi feature extractors by @pzelasko in #802
• Remove warning about Lhotse not being stable from README.md by @pzelasko in #804
• Update the documentation related to optional packages by @pzelasko in #805

Full Changelog: v1.6...v1.7