s20160308
improve gitignore
doc: don't timestamp manpages by default
arping: Clarify and correct interaction of -c and -w options
arping,clockdiff,ping,rarpd,rdisc,traceroute6 doc: s/CAP_NET_RAWIO/CAP_NET_RAW/.
arping,clockdiff,rarpd,rdisc,tftpd: Change RFC source to tools.ietf.org.
Initial import of iputils
[DOC] Maintainer / Contact change
ninfod: Add ninfod(8) manpage.
doc: ping: add missing options and remove ping6
rdisc doc: Document -r, -p and -T options.
iputils-s20160308
tracepath,doc: fix corrupted tag