Merge pull request #82 from jonludlam/master

Patch1, not 0.
Merge pull request #83 from jonludlam/master

Networkd depends upon libnl3
Merge pull request #84 from jonludlam/master

XS has config files in /etc/xensource, not /etc/xcp
Merge pull request #85 from jonludlam/master

Mkdir /etc/xensource
Default inventory location

Signed-off-by: Jon Ludlam <jonathan.ludlam@citrix.com>