EDIT

ref #4770, ref #4908, ref #5163 some finetuning on convertPerson2Team

ref #4770, ref #4908, ref #5163 assert that team has protected nomenclatural title after convertPerson2Team

ref #4770, ref #4908 add test for person is null in person2Team converter

ref #4770, ref #4908 handle person is null in person2Team converter

ref #4770 handle unprotected titlecache for person2Team converter and some finetuning for empty persons

cleanup

ref #4770 fix handling nomenclatural title for convertPerson2Team

improve generics for save() method

cleanup

try to fix failing test in suite (cont.)