TRI-ML DGP v1.3
The v1.3 release contains the definition of some 3D types and some tooling bug fixes.
- add instructions for protos contribution by @nehalmamgain in #103
- fix base image name in Dockerfile by @tk-woven in #107
- symlink python3, not python, to python3.7 by @tk-woven in #108
- add KeyPoint3D, KeyLine3D, Polygon3D by @nehalmamgain in #101
Full Changelog: v1.2...v1.3