Remove what is surely spurious debugging from 26bdea0f
Clean up confused references to RT_SiteConfig.pm

You don't update things in RT_SiteConfig.pm to override RTIR_Config.pm,
you set them in RTIR_SiteConfig.pm.  This has been true (and confusingly
documented) for a while.  I'd love to ship an RTIR_SiteConfig.pm, but it
would conflict with one created in /opt/rt/etc/ and it might overwrite
user changes.  Better to have users create one.
README cleanups

Use modern Plugin syntax
Remind folks about docs.bestpractical.com
Better explain the UPGRADING files
We're going to require 4.2.7
Users can't easily test before the RTIR upgrade

RT blams out if you have a Queue with a lifecycle defined in
RTIR_Config.pm.  Other things probably also break.  You should ugprade
RT and RTIR and *then* test.  Testing in the middle is likely to cause
false alarms.
Merge branch '3.2/siteconfig-cleanups'
Match docs (4.2.7) with Makefile.PL and friends