Fix defect 3037117:nodeset -v and -h returns nothing; Add nodeset usage to the usage data structure

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@7060 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

perl-xCAT/xCAT/Usage.pm

@@ -257,6 +257,11 @@ Options:
 "Usage:
     mkflexnode [-h|--help|-v|--version]
     mkflexnode <noderange>",
+  "nodeset" =>
+"Usage:
+   Common:
+      nodeset [-h|--help|-v|--version]
+      nodeset <noderange> [install|shell|boot|runcmd=bmcsetup|netboot|iscsiboot|osimage=<imagename>|statelite]",
   "rmflexnode" =>
 "Usage:
     rmflexnode [-h|--help|-v|--version]
@@ -285,6 +290,7 @@ my %version = (
     "lsflexnode" => "$vers",
     "mkflexnode" => "$vers",
     "rmflexnode" => "$vers",
+    "nodeset" => "$vers"
 );
 
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