message: Add non-null RoomView key
diff: @@ -196,7 +196,7 @@ export default React.createClass({
  oobData={this.props.roomOobData}
  highlightedEventId={this.props.highlightedEventId}
  eventPixelOffset={this.props.initialEventPixelOffset}
  - key={this.props.currentRoomId}
  + key={this.props.currentRoomId || 'roomview'}
  opacity={this.props.middleOpacity}
  collapsedRhs={this.props.collapse_rhs}
  ConferenceHandler={this.props.ConferenceHandler}
  