Update note about IDN and XML support, and combine it with the note about IPv6 support
Update note about IDN and XML support, and combine it with the
note about IPv6 support

Fix alphebetization of the new dnssec-keyfromlabel directory

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase