GitLab

Summary:
1. Add a keypoint metadata registry for registering different keypoint metadata
2. Add option to inject_coco_dataset for adding keypoint metadata

Reviewed By: newstzpz

Differential Revision: D27730541

fbshipit-source-id: c6ba97f60664fce4dcbb0de80222df7490bc6d5d

Summary: Separate unit tests into individual folder based on functionality.

Reviewed By: wat3rBro

Differential Revision: D27132567

fbshipit-source-id: 9a8200be530ca14c7ef42191d59795b05b9800cc

Summary: Not d2go.tests is not a library for oss, move utils code to d2go.utils.testing

Reviewed By: zhanghang1989

Differential Revision: D26706933

fbshipit-source-id: 85767b66bbb6c67db05e11823beb4840220b2aa3

Summary: Extend conversion to support ids beyond cocotext format where ids are strings.

Reviewed By: newstzpz

Differential Revision: D27018211

fbshipit-source-id: 7282fd4b9a7e9cd19323235ed1a3c3e7b33cb6b4

fbshipit-source-id: f4a8ba78691d8cf46e003ef0bd2e95f170932778