GitLab

* update centerpoint, dgcnn, fcos3d and free_anchor metafile

* check all metafile in configs

* update centerpoint, pointpillars and second yml

* rename PartA2 to parta2 in the name of config

* update metafile in nuimages

* update readme in nuimages

* fix cfg name

* update cfg name

* fix cfg

* fix comments

* fix comment

* fix comments

* update model link

* update ssn

* update info in changelog, reamde

* fix comments

* update table

* update metafile

* modify version

* fix typo

* fix typo

* fix typo

* [Feature] Adding PWC metafile

* fix url in nuimages

* removing inaccurate training time

* refine pwc index

* refine training resources

* removing empty metric of metafile in regnet

* removing 'Focal_Loss' and 'SECOND' from Architecture