[6321] fixed dependency from ical4j to edu.emory.mathcs.backport
[6321] fixed dependency from ical4j to edu.emory.mathcs.backport
DavidGutknecht/elexis-3-base,DavidGutknecht/elexis-3-base,DavidGutknecht/elexis-3-base,DavidGutknecht/elexis-3-base,DavidGutknecht/elexis-3-base