[CA-104876] Remove resource allocation & IPHelper reliance

We don't need to allocate resources, and IPHelper is only used to
know to update the host when IP addresses change.  Both cause problems
under Windows PE

Signed-off-by: Ben Chalmers <Ben.Chalmers@citrix.com>
Merge pull request #5 from benchalmers/ca104876

[CA-104876] Remove resource allocation & IP Helper reliance