changed get_mount_facts to ignore mount types 'none'

system/setup

@@ -547,6 +547,7 @@ class LinuxHardware(Hardware):
         for line in mtab.split('\n'):
             if line.startswith('/'):
                 fields = line.rstrip('\n').split()
+                if(fields[2] != 'none'):
                     statvfs_result = os.statvfs(fields[1])
                     self.facts['mounts'].append(
                         {'mount': fields[1],