Bring the well known ports of /etc/services into sync with the IANA list.
Bring the well known ports of /etc/services into sync with the IANA
list.

This is only for the well known known ports (port 1-1023) for tcp and
udp only.

Changes:
- Removed "problems" comments around port 57, 77 and 87
- Removed audionews (port 114)
- Added imap3 (port 220)
- Removed yak-chat (port 258)
- Removed concert (port 786)
- Added a lot of new allocations

Submitted by: edwin

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