updated the description of the aid catalog home page
updated the description of the aid catalog home page

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