Update expected format of send-to-name recipient.
Update expected format of send-to-name recipient.

Update the expected/allowed format for send-to-name recipients.
See https://forum.namecoin.info/viewtopic.php?f=5&t=1893.

Midar/namecoin,eXcomm/namecoin,namecoin/namecoin,eXcomm/namecoin,cryptostorm/namecoin,eXcomm/namecoin,okTurtles/namecoin,cryptostorm/namecoin,cfromknecht/namecoin-legacy,namecoin/namecoin-legacy,Midar/namecoin,Midar/namecoin,bankonmecoin/namecoin-legacy,eXcomm/namecoin,fflo/sixeleven,namecoin/namecoin,jonasbits/namecoin,okTurtles/namecoin,cfromknecht/namecoin-legacy,rsackler/namecoin,cfromknecht/namecoin-legacy,jonasbits/namecoin,cfromknecht/namecoin-legacy,rsackler/namecoin,jonasbits/namecoin,cfromknecht/namecoin-legacy,Midar/namecoin,eXcomm/namecoin,bankonmecoin/namecoin-legacy,bankonmecoin/namecoin-legacy,namecoin/namecoin-legacy,rsackler/namecoin,fflo/sixeleven,okTurtles/namecoin,namecoin/namecoin-legacy,namecoin/namecoin,fflo/sixeleven,okTurtles/namecoin,bankonmecoin/namecoin-legacy,cryptostorm/namecoin,rsackler/namecoin,namecoin/namecoin-legacy,cryptostorm/namecoin,Midar/namecoin,rsackler/namecoin,namecoin/namecoin,jonasbits/namecoin,cryptostorm/namecoin,bankonmecoin/namecoin-legacy,jonasbits/namecoin,namecoin/namecoin-legacy,namecoin/namecoin,okTurtles/namecoin,fflo/sixeleven