Clean up inline error styles for the RDE form
Added a guide to upgrading
(cherry picked from commit ced47976a82edacd3e885329edaac6f5d6e4927e)
Add UPGRADING to yardopts, README and dist task
UPGRADING: Fix block formatting
UPGRADING: fix link to README
Merge pull request #605 from hudmol/rde-auto-validation-restyle

[Delivers #51841569] Clean up inline error styles for the RDE form
More helpful comments and error reporting
Fix a potential deadlock case when all worker threads throw errors
Avoid having all threads request the same tree at the same time when indexing archival objects.
Load large numbers of nodes in a page at a time if need be
Be more selective about when we load instance/container information
Merge remote-tracking branch 'origin/pr/606' into upgrading
Merge pull request #607 from hudmol/indexer-fixes

Indexer fixes
Disable the RDE selenium test checking inline error moessages.  This will need to be rewritten to use a more reliable method rather than '.focus()'.
Fix RDE selenium test checking inline errors - it now simulates the focus of an input by adding the expected CSS class to the row
fix documentation for running standalone selenium-public
allow faceted search data to appear in a subrecord context
treat Agents as archival records in the public app
UPGRADING: add Windows instructions
UPGRADING: add a few more xcopy flags for Windows