GitLab

* Inference API support video

* Using mmcv.VideoReader to read video

* modify

* use registry to manage datasets

* bug fix for concat dataset

* update documentation to fit the new api

fix typo

* update some docs

* update the lr adjusting rule

update init_detector() & inference_detector() parameter

* update the high-level inference api

* save classes in meta data and use it for visualization

'mask' option has been removed & replaced with 'segm'

* rewrite multigpu testing with mmddp

* fix an indent

* update slurm testing script

* update readme and scripts