message: set default size of 350px for left panel
diff: @@ -183,10 +183,13 @@ const LoggedInView = React.createClass({
  },
  _loadResizerPreferences() {
  - const lhsSize = window.localStorage.getItem("mx_lhs_size");
  + let lhsSize = window.localStorage.getItem("mx_lhs_size");
  if (lhsSize !== null) {
  - this.resizer.forHandleAt(0).resize(parseInt(lhsSize, 10));
  + lhsSize = parseInt(lhsSize, 10);
  + } else {
  + lhsSize = 350;
  }
  + this.resizer.forHandleAt(0).resize(lhsSize);
  },
  onAccountData: function(event) {
  