Add server variable.
Added chef nodes status checker

This checker allow you to check if any node in your cluster is stuck or
do not reported for long time. Check comments in the file.
Time out TCPSocket.new As Well

We probably want TCPSocket.new to be timed out too, in case the destination server is slow accepting new connections.
Merge pull request #417 from icebourg/patch-1

Time out TCPSocket.new As Well
Merge pull request #415 from kalabiyau/review_140110_add_chef_nodes_status_checker

Added chef nodes status checker
Merge pull request #397 from rhoml/rhoml/remove-static-hostname

Add server variable.