Update to work with the latest signatures
Merge remote-tracking branch 'upstream/master'
Add `MacOSX match case to some config.ml's
Fix Clock, Dhcp functor applications
Add one more missing `MacOSX match case
ping: fix debug output
Add Ipv6 version of `ping`
Merge branch 'master' of https://github.com/mirage/mirage-skeleton

Conflicts:
	conduit_server/config.ml
	conduit_server_manual/config.ml
	dns/config.ml
	ethifv4/config.ml
	ethifv4/unikernel.ml
ping: add `tcpip` as opam dependency
Merge pull request #61 from nojb/master

Update to work with latest signatures