Fix creationTime column (#2728)
Fix creationTime column (#2728)

creationTime does not exist anymore in properties ( #2721 ), as a
consequence, creationTime column displays Invalid Date. Update
authnEvents.js to get creationTime from the right place.
philliprower/cas,fogbeam/cas_mirror,Jasig/cas,fogbeam/cas_mirror,pdrados/cas,leleuj/cas,Jasig/cas,pdrados/cas,apereo/cas,pdrados/cas,leleuj/cas,pdrados/cas,philliprower/cas,Jasig/cas,apereo/cas,fogbeam/cas_mirror,apereo/cas,philliprower/cas,rkorn86/cas,fogbeam/cas_mirror,rkorn86/cas,apereo/cas,leleuj/cas,fogbeam/cas_mirror,philliprower/cas,leleuj/cas,philliprower/cas,leleuj/cas,Jasig/cas,fogbeam/cas_mirror,rkorn86/cas,apereo/cas,leleuj/cas,philliprower/cas,apereo/cas,philliprower/cas,rkorn86/cas,pdrados/cas,apereo/cas,pdrados/cas