KRACOEUS-4547: Fixing NPE in KcPerson.selectSingleValue when no values exist.
KRACOEUS-4547: Fixing NPE in KcPerson.selectSingleValue when no values exist.

geothomasp/kcmit,mukadder/kc,geothomasp/kcmit,ColostateResearchServices/kc,geothomasp/kcmit,kuali/kc,jwillia/kc-old1,geothomasp/kcmit,UniversityOfHawaiiORS/kc,jwillia/kc-old1,iu-uits-es/kc,ColostateResearchServices/kc,kuali/kc,geothomasp/kcmit,UniversityOfHawaiiORS/kc,ColostateResearchServices/kc,jwillia/kc-old1,iu-uits-es/kc,mukadder/kc,iu-uits-es/kc,mukadder/kc,kuali/kc,jwillia/kc-old1,UniversityOfHawaiiORS/kc