Added a unstable warning in the dialog for the wfs plugin. Native english speakers: feel free to change the sentence

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@6112 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mhugent

src/plugins/wfs/qgswfssourceselectbase.ui

@@ -10,7 +10,7 @@
    </rect>
   </property>
   <property name="windowTitle" >
-   <string>Dialog</string>
+   <string>Note: this plugin not considered stable yet. Use it on your own risk</string>
   </property>
   <layout class="QGridLayout" >
    <property name="margin" >