message: Fix PresenceLabel in MemberInfo
  Which crashing when clicking on a member if presence was still
  enabled.
diff: @@ -871,6 +871,7 @@ module.exports = withMatrixClient(React.createClass({
  let presenceLabel = null;
  if (showPresence) {
  + const PresenceLabel = sdk.getComponent('rooms.PresenceLabel');
  presenceLabel = <PresenceLabel activeAgo={presenceLastActiveAgo}
  currentlyActive={presenceCurrentlyActive}
  presenceState={presenceState} />;
  @@ -879,7 +880,6 @@ module.exports = withMatrixClient(React.createClass({
  let roomMemberDetails = null;
  if (this.props.member.roomId) { // is in room
  const PowerSelector = sdk.getComponent('elements.PowerSelector');
  - const PresenceLabel = sdk.getComponent('rooms.PresenceLabel');
  roomMemberDetails = <div>
  <div className="mx_MemberInfo_profileField">
  { _t("Level:") } <b>
  