Add new group change route and fix attributes#90

Aravindh-Raju wants to merge 3 commits intovinyldns:mastervinyldns/vinyldns-java:masterfrom

Aravindh-Raju:aravindhr/add-group-change-routeAravindh-Raju/vinyldns-java:aravindhr/add-group-change-routeCopy head branch name to clipboard