Add a removeall method to GenericTableModel.

ui_swing/src/com/dmdirc/addons/ui_swing/components/GenericTableModel.java

@@ -222,6 +222,14 @@ public class GenericTableModel<T> extends AbstractTableModel {
         fireTableRowsDeleted(index, index);
     }
 
+    /**
+     * Removes all the values from the model.
+     */
+    public void removeAll() {
+        values.clear();
+        fireTableDataChanged();
+    }
+
     /**
      * Adds the specified value at the end of the model.
      *