Builder instead of three constructorsin usersearchpanel

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1488974 13f79535-47bb-0310-9956-ffa450edef68
Builder instead of three constructorsin usersearchpanel

git-svn-id: https://svn.apache.org/repos/asf/syncope/trunk@1488975 13f79535-47bb-0310-9956-ffa450edef68