Merge pull request #48 from linz/wfs_layer_sort

Added sorting to WFS layer tree grid widget

Author: mhugent

src/plugins/wfs/qgswfssourceselectbase.ui

@@ -105,6 +105,9 @@
    </item>
    <item row="1" column="0">
     <widget class="QTreeWidget" name="treeWidget">
+     <property name="sortingEnabled">
+      <bool>true</bool>
+     </property>
      <property name="columnCount">
       <number>3</number>
      </property>