fixed some issues pointed out by bug id [ 1916420 ]
fixed some issues pointed out by bug id [ 1916420 ]

ramdesh/vesuvius_installer,sahana/vesuvius,bobrock/vesuvius,sahana/vesuvius,bobrock/vesuvius,ramdesh/vesuvius_installer,sahana/vesuvius,ramdesh/vesuvius_installer,bobrock/vesuvius,bobrock/vesuvius,bobrock/vesuvius,ramdesh/vesuvius_installer,bobrock/vesuvius,sahana/vesuvius,sahana/vesuvius