message: Fix RoomSubList headers by re-commiting
  The original got reverted in somehow.
diff: @@ -611,7 +611,7 @@ module.exports = React.createClass({
  const self = this;
  return (
  <GeminiScrollbarWrapper className="mx_RoomList_scrollbar"
  - autoshow={true} onScroll={self._whenScrolling} wrappedRef={this._collectGemini}>
  + autoshow={true} onScroll={self._whenScrolling} onResize={self._whenScrolling} wrappedRef={this._collectGemini}>
  <div className="mx_RoomList">
  <RoomSubList list={[]}
  extraTiles={this._makeGroupInviteTiles(self.props.searchFilter)}
  