message: Add Edit/Preferences menu item for Windows & Linux
  fixes
diff: @@ -257,7 +257,7 @@ export default class MenuBuilder {
  { label: 'Import',
  submenu: importers.map(decl => this.mkImportCmd(decl.label, decl.cmd))
  },
  - { label: 'Export',
  + { label: 'Export As',
  submenu: exporters.map(decl => this.mkExportCmd(decl.label, decl.cmd))
  },
  { type: 'separator' },
  @@ -282,6 +282,12 @@ export default class MenuBuilder {
  this.sendMenuCommand('redo');
  }
  },
  + { type: 'separator' },
  + { label: 'Preferences', accelerator: 'Ctrl+P',
  + click: () => {
  + this.sendMenuCommand('preferences');
  + }
  + }
  ]
  },
  {
  