message: UrlPreviewSettings doesnt have a saveSettings method anymore, which I think is intentional
diff: @@ -310,12 +310,6 @@ module.exports = React.createClass({
  promises.push(p);
  }
  - // url preview settings
  - const ps = this.saveUrlPreviewSettings();
  - if (ps.length > 0) {
  - ps.map((p) => promises.push(p));
  - }
  -
  // related groups
  promises.push(this.saveRelatedGroups());
  @@ -346,11 +340,6 @@ module.exports = React.createClass({
  return this.refs.color_settings.saveSettings();
  },
  - saveUrlPreviewSettings: function() {
  - if (!this.refs.url_preview_settings) { return Promise.resolve(); }
  - return this.refs.url_preview_settings.saveSettings();
  - },
  -
  saveEnableEncryption: function() {
  if (!this.refs.encrypt) { return Promise.resolve(); }
  