message: adjust settings.html layout
diff: </td>
  <td>
  <div id="exportButtons">
  - <button ng-click="vm.exportData()" translate="Settings.Export"></button>
  - <button ng-click="vm.importData()" translate="Settings.Import"></button>
  + <button ng-click="vm.exportData()" translate="Settings.Export"></button></br>
  + <button ng-click="vm.importData()" translate="Settings.Import"></button></br>
  <input type="file" id="importFile">
  </div>
  </td>
  