Adopted iframe widget for version 2.2
Adopted iframe widget for version 2.2

viegener/fhem-tablet-ui,viegener/fhem-tablet-ui,knowthelist/fhem-tablet-ui,knowthelist/fhem-tablet-ui,roman1528/fhem-tablet-ui,roman1528/fhem-tablet-ui,viegener/fhem-tablet-ui,roman1528/fhem-tablet-ui,roman1528/fhem-tablet-ui,knowthelist/fhem-tablet-ui,knowthelist/fhem-tablet-ui,viegener/fhem-tablet-ui,knowthelist/fhem-tablet-ui