Changed reservation attribute "AllocNodeList" into a nodelist type
Added more mdiag output samples
Added sample output from showq-i
Added checks for idle jobs
Added emailaddress to the user class
Corrected node count

Node and core counting didn't properly account for down nodes.  Nodes in
the state Drained or Down are not counted- same for cores on down nodes.

Improved logic for determining if a node is private.