IPRoute2: handle hex IDs and hyphens in names, as present in rt_dsfield

Fixes RHBZ#1063961
IPRoute2: handle "/" in protocol names, swap ID and name fields

This is an incompatible change.

Fixes RHBZ#1063968
Support configuration file for Squid 3
Update AUTHORS and NEWS
Add cp to manpage (issue #78)
Update NEWS
Sshd: Allow all types of issues in Match groups (GH issue #75)
Remove mercurial legacy files
AptPreferences: Support spaces in origin fields
NetworkManager: Use the Quote module, support # in values (no eol comments)
Keepalived: add more virtual/real server settings and checks

Fixes RHBZ#1064388