Curation Stage Feature

[libby-natola]

Add a column to the data table showing the curation stage for each dataset. For admin use only.

[arteymix]

I'll expose the curation status in the basic EE VO. Eventually, we will add support for secured fields in VO with so we can control who sees what.

PavlidisLab/Gemma#810

[ppavlidis]

Gemma 2 disposition: Won't fix (UIB handoff)