Merge branch 'master' of https://github.com/AllenFang/react-bootstrap-table

Author: AllenFang

src/BootstrapTable.js

@@ -240,6 +240,14 @@ class BootstrapTable extends Component {
       });
     }
 
+    // If setting the expanded rows is being handled externally
+    // then overwrite the current expanded rows.
+    if (this.props.options.expanding !== options.expanding) {
+      this.setState({
+        expanding: options.expanding || []
+      });
+    }
+
     if (selectRow && selectRow.selected) {
       // set default select rows to store.
       const copy = selectRow.selected.slice();