Merge pull request #414 from xylar/add-compy-compute-node-detection

Add compy compute-node detection

Author: xylar

mache/machines/compy.cfg

@@ -112,4 +112,4 @@ hostname = compy.pnl.gov
 [discovery]
 
 # a regular expression used to identify this machine from its hostname
-hostname_re = ^compy
+hostname_re = ^compy, ^n\d{4}