message: [FIX] CAS building wrong URL
diff: @@ -249,7 +249,7 @@ class LoginSignupView extends React.Component {
  onPressCas = () => {
  const { server, CAS_login_url } = this.props;
  const ssoToken = random(17);
  - const url = `${ CAS_login_url }/?service=${ server }/_cas/${ ssoToken }`;
  + const url = `${ CAS_login_url }?service=${ server }/_cas/${ ssoToken }`;
  this.openOAuth({ url, ssoToken, authType: 'cas' });
  }
  