message: add icon to room header
diff: @@ -33,6 +33,7 @@ import ManageIntegsButton from '../elements/ManageIntegsButton';
  import {CancelButton} from './SimpleRoomHeader';
  import SettingsStore from "../../../settings/SettingsStore";
  import RoomHeaderButtons from '../right_panel/RoomHeaderButtons';
  +import E2EIcon from './E2EIcon';
  linkifyMatrix(linkify);
  @@ -52,6 +53,7 @@ module.exports = React.createClass({
  onSearchClick: PropTypes.func,
  onLeaveClick: PropTypes.func,
  onCancelClick: PropTypes.func,
  + e2eStatus: PropTypes.string,
  },
  getDefaultProps: function() {
  @@ -237,6 +239,8 @@ module.exports = React.createClass({
  );
  }
  + let e2eIcon = this.props.e2eStatus ? <E2EIcon status={this.props.e2eStatus} /> : undefined;
  +
  if (this.props.onCancelClick) {
  cancelButton = <CancelButton onClick={this.props.onCancelClick} />;
  }
  @@ -413,6 +417,7 @@ module.exports = React.createClass({
  <div className={"mx_RoomHeader light-panel " + (this.props.editing ? "mx_RoomHeader_editing" : "")}>
  <div className="mx_RoomHeader_wrapper">
  <div className="mx_RoomHeader_avatar">{ roomAvatar }</div>
  + { e2eIcon }
  { name }
  { topicElement }
  { spinner }
  