Add buttons with coma instead of point for decimal separator
Add button for openremote command

Change-Id: If8b614aa19f788321fc06fb469fbe861bdef2769
Reviewed-on: https://gerrit.libreoffice.org/20665Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
Tested-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>