v0.3.16 Release notes

• Full precision (fp32) support for ZeRO Stage2 and Stage3 (#1004)
• 1-bit LAMB optimizer (#970)
• Refactor param_dict to config (#1008)
• [ZeRO Infinity] Allow Init to take a dict for the deepspeed config (#983)
• Bug fix for zero-1 w.r.t. reduce-scatter (#907)
• Use amp autocast in ZeRO3 linear (#990)
• Add find_unused_parameters option to DeepSpeedEngine (#945)
• Relax dataset type check in deepspeed io (#1012)

Special thanks to our contributors: @stas00, @SeanNaren, @sdtblck, @wbuchwalter, @ghosthamlet, @zhujiangang,