message: remove debug and add comment
diff: @@ -243,7 +243,7 @@ module.exports = React.createClass({
  // TODO: Implement granular (per-room) hide options
  _shouldShowEvent: function(mxEv) {
  - console.log("_shouldShowEvent ", mxEv.getId(), mxEv);
  + // console.log("_shouldShowEvent ", mxEv.getId(), mxEv);
  const EventTile = sdk.getComponent('rooms.EventTile');
  if (!EventTile.haveTileForEvent(mxEv)) {
  return false; // no tile = no show
  @@ -344,6 +344,7 @@ module.exports = React.createClass({
  let last = (i == lastShownEventIndex);
  if (!this._shouldShowEvent(mxEv)) {
  + // Event is hidden but may be the read marker event
  if (mxEv.getId() === this.props.readMarkerEventId) {
  ret.push(this._getReadMarkerTile(this.props.readMarkerVisible));
  }
  