Convert the RT{40,42,44} options to new rt42 and rt44 flavours.
Drop all references to www/rt40 -- no longer in ports
Default flavour is rt44, but several of these modules only support
rt42.
Ensure @rt42 flavour conflicts with www/rt44 port and vice-versa
Review by portmgr@ due to introduction of new flavours. This adds less than 10 additional
ports to the 'to build' list.
Re-order various sections to placate portlint
Update p5-RT-Extension-MandatoryOnTransition to 0.16; all other
modules get a PORTREVISION bump.