Fix PID file loading. We should probably really have a test or Buildbot check for this
(cherry picked from commit 7c4224d07b09ab9c7366917e07f9b47fee584ee2)
Additional OLA RDM code backported from my slotinfo branch to make code reviews manageable
Add method to get domain from FQDN and refactor existing hostname method
(cherry picked from commit ec686ceee686d17f0d05de9d6d55c5ff669194dc)
Additional OLA NetworkUtils code partially backported from my slotinfo branch to make code reviews manageable
Merge pull request #305 from peternewman/e1.37-2

E1.37-2 Network configuration Redux - Part 3 (New PID data and some more NetworkUtils)
Resync with trunk