Issue #20264 stash some first pass code here for later.
Merge branch '20266' into 20264

Conflicts:
	lib/orm/source/xt/javascript/data.sql
Issue #20264 Add datasource pg listeners for INFO, NOTICE, WARNING messages from plv8.
Issue #20264 move debug notices to XT.debug.
Add example get request.
Stashing in progress code for later.
issue #18757: First pass, set all required attributes on orms that were missing.
issue #18757: Remove required attributes from models.
Issue #20264 Fix merge conflict.
Issue #20264 Add support for raising FATAL errors.
Issue #20264 use XT.debug
Issue #20264 Add config option to bubble debug message from db up to client.
Updated with database selection
Updated with database selection
issue #20416: Fix problem where lingering privilege assigments for deprecated privileges were causing problems
issue #20416: Rename file.
Merge pull request #419 from vinaysingu/master

Updated with database selection
Merge pull request #418 from elipup/script2

New version 05.23.13. Now with logging to install.log
issue #20416: Fix orm privileges and remove MaintainExtension from script.
issue #20416: No need for this priv now.