message: Allow multiple file uploads on drag & drop
diff: @@ -45,6 +45,8 @@ import RoomViewStore from '../../stores/RoomViewStore';
  import RoomScrollStateStore from '../../stores/RoomScrollStateStore';
  import SettingsStore from "../../settings/SettingsStore";
  +import _every from "lodash/every";
  +
  const DEBUG = false;
  let debuglog = function() {};
  @@ -855,8 +857,12 @@ module.exports = React.createClass({
  ev.dataTransfer.dropEffect = 'none';
  const items = ev.dataTransfer.items;
  - if (items.length == 1) {
  - if (items[0].kind == 'file') {
  + if (items.length >= 1) {
  + const isDraggingFiles = _every(items, function(item) {
  + return item.kind == 'file';
  + });
  +
  + if (isDraggingFiles) {
  this.setState({ draggingFile: true });
  ev.dataTransfer.dropEffect = 'copy';
  }
  @@ -867,10 +873,8 @@ module.exports = React.createClass({
  ev.stopPropagation();
  ev.preventDefault();
  this.setState({ draggingFile: false });
  - const files = ev.dataTransfer.files;
  - if (files.length == 1) {
  - this.uploadFile(files[0]);
  - }
  + const files = [...ev.dataTransfer.files];
  + files.forEach(this.uploadFile);
  },
  onDragLeaveOrEnd: function(ev) {
  