HP Virtual Connect blades discovery

Added simple definition for HP Virtual Connect blade

— os.inc.php 2014-12-04 10:21:34.000000000 +0100
+++ os.inc.php.new 2014-12-04 10:26:28.000000000 +0100
@@ -1367,6 +1367,16 @@

+$os = "hpvc";
+$config['os'][$os]['text'] = "HP Virtual Connect";
+$config['os'][$os]['icon'] = "hp";
+$config['os'][$os]['type'] = "server";
+$config['os'][$os]['group'] = "unix";
+$config['os'][$os]['sysObjectID'][] = ".1.3.6.1.4.1.11.5.7.5.1";