added new widget "agenda" - used to display CALVIEW entries. - data-max: maxmimum number of entries to show - data-config: json to specify settings. e.g:   data-config='{ "source1" : {"color":"#1C8C7A", "abbreviation":"F"}, "source2" : {"color":"#7D786F", "icon":"fa-ambulance"} }'   ... source1, source2: names of CALVIEW entry source where config applies to   ... icon: fa icon to use for entry   ... abbreviation: character to use as symbol if no icon specified   ... color: background color used for entry
added new widget "agenda" - used to display CALVIEW entries.
- data-max: maxmimum number of entries to show
- data-config: json to specify settings. e.g:
  data-config='{ "source1" : {"color":"#1C8C7A", "abbreviation":"F"}, "source2" : {"color":"#7D786F", "icon":"fa-ambulance"} }'
  ... source1, source2: names of CALVIEW entry source where config applies to
  ... icon: fa icon to use for entry
  ... abbreviation: character to use as symbol if no icon specified
  ... color: background color used for entry

* todo: refactoring, code/html cleanup
* known issues:
  - layout issue when summary of entry exceeds one line
* untested: oa icon support

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