Release v1.0.1

Enhancements

• Refine documents by proof review
• Separate installation for each tasks
• Improve POT efficiency by setting stat_requests_number parameter to 1

Bug fixes

• Fix missing classes in cls checkpoint
• Fix action task sample codes
• Fix label_scheme mismatch in classification
• Fix training error when batch size is 1
• Fix hang issue when tracing a stack in certain scenario
• Fix pickling error by Removing mmcv cfg dump in ckpt