Fix the conduit_server_manual example

This now builds with the current mirage-xen dev packages.

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Fix conduit_server_manual example for both Unix and Xen

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #55 from djs55/fix-build

Fix the conduit_server_manual example
Pass Io_page alloc to gethostbyname
Merge pull request #56 from infidel/master

Fix dns example by passing Io_page alloc to gethostbyname
Add build instructions on unix.
Merge pull request #57 from Eyyub/add_unix_build_instr_static_website

Add build instructions on unix for static website example.
Update to work with the latest signatures
Add an example of an HTTP fetch, using both Cohttp and manual request
Merge pull request #58 from avsm/master

Add an example of an HTTP fetch, using both Cohttp and manual request
Fixes for building under Mirage 2.1.x
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
Merge pull request #60 from avsm/master

Fixes for building under Mirage 2.1.x
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