issue #18757: First pass, set all required attributes on orms that were missing.
issue #18757: Remove required attributes from models.
issue #20254: seed admin user with core extensions
Merge pull request #421 from shackbarth/tweak

issue #20254: seed admin user with core extensions
resolve conflicts
Merge pull request #422 from jrogelstad/master

Tweaks.
Merge branch 'xtuple' into 18757
Merge pull request #424 from jrogelstad/18757

issue #18757: Enforce required attributes on the server side and pass definitions reflectively.