update develop-ref after dtcenter/MET#1674#817

Merged

georgemccabe merged 18 commits intodevelop-reffrom develop

Feb 23, 2021

+755-505

Commits on Feb 16, 2021

Commits on Feb 17, 2021

Updated verison number to beta4 from rc1
jprestop
committed
Merge branch 'develop' of https://github.com/dtcenter/METplus into develop
jprestop
committed

Commits on Feb 22, 2021