fix #7240 changing labels to Family name and Other/given names
fix #7224 adding initials to PersonField
PersonField: fix setValue implementation
fixing ugly 'null' representation in vaadin TextField
ref #6867 GrantedAuthorityRevokingRegistrationUpdateLister implemented
ref #7135 relaxing to strict non null value constraint
fix #7135 TeamOrPersonField allows selecting from existing Persons and Teams
ref #6867 assigning UPDATE,DELETE for new Persons and Teams and fixing bugs related to TeamOrPersonField:
fix #7053 fixing inconsistent field enablement
ref #6759 using new dom style of switch
ref #6759 using new icon style of switch
ref #6169 UserHelper checking permissions:
ref #6612 support for editor widgets with nested FieldGroups
ref #6612 Team and Person editor widgets implemented and integrated in reference editor