Fix to get parsing of .xls work with the new Parse UI. Currently .xls files recognized only by suffix.
Fix to get parsing of .xls work with the new Parse UI. Currently .xls files recognized only by suffix.

100star/h2o,calvingit21/h2o-2,rowhit/h2o-2,111t8e/h2o-2,h2oai/h2o,elkingtonmcb/h2o-2,calvingit21/h2o-2,h2oai/h2o-2,100star/h2o,elkingtonmcb/h2o-2,vbelakov/h2o,h2oai/h2o,100star/h2o,vbelakov/h2o,vbelakov/h2o,vbelakov/h2o,calvingit21/h2o-2,calvingit21/h2o-2,100star/h2o,h2oai/h2o-2,h2oai/h2o,h2oai/h2o,eg-zhang/h2o-2,elkingtonmcb/h2o-2,h2oai/h2o-2,elkingtonmcb/h2o-2,elkingtonmcb/h2o-2,eg-zhang/h2o-2,h2oai/h2o-2,h2oai/h2o,111t8e/h2o-2,111t8e/h2o-2,eg-zhang/h2o-2,eg-zhang/h2o-2,vbelakov/h2o,111t8e/h2o-2,calvingit21/h2o-2,vbelakov/h2o,h2oai/h2o,111t8e/h2o-2,calvingit21/h2o-2,rowhit/h2o-2,vbelakov/h2o,vbelakov/h2o,100star/h2o,elkingtonmcb/h2o-2,111t8e/h2o-2,h2oai/h2o,eg-zhang/h2o-2,elkingtonmcb/h2o-2,eg-zhang/h2o-2,vbelakov/h2o,eg-zhang/h2o-2,111t8e/h2o-2,rowhit/h2o-2,100star/h2o,rowhit/h2o-2,calvingit21/h2o-2,111t8e/h2o-2,h2oai/h2o-2,h2oai/h2o-2,calvingit21/h2o-2,elkingtonmcb/h2o-2,h2oai/h2o-2,100star/h2o,rowhit/h2o-2,calvingit21/h2o-2,h2oai/h2o,rowhit/h2o-2,calvingit21/h2o-2,100star/h2o,elkingtonmcb/h2o-2,eg-zhang/h2o-2,h2oai/h2o,rowhit/h2o-2,eg-zhang/h2o-2,h2oai/h2o-2,111t8e/h2o-2,vbelakov/h2o,rowhit/h2o-2,111t8e/h2o-2,eg-zhang/h2o-2,elkingtonmcb/h2o-2,h2oai/h2o,rowhit/h2o-2,100star/h2o,h2oai/h2o-2,h2oai/h2o-2,rowhit/h2o-2