Point to the correct warper site in the rectify images dialog

geonode/contrib/worldmap/wm_extra/templates/wm_extra/maps/worldmap.html

@@ -359,7 +359,7 @@ <h3>{%trans "Create a new Layer"  %}</h3>
 
                 <div style="position:relative;float:left;">
                     <h3>{%trans "Rectify Images"  %}</h3>
-                    <p style="font-size: 14px">{% trans "Use <a target='_blank' href='http://warp.worldmap.harvard.edu'>WorldMap WARP</a> to upload and rectify scanned maps for use in WorldMap." %} <br/><br/> {% trans "Maps rectified using this tool can be brought into WorldMap by following the instructions under Section 4.5 in <a href='{{ STATIC_URL }}docs/WorldMap_Help.pdf'>WorldMap Help</a>." %}</p>
+                    <p style="font-size: 14px">{% trans "Use <a target='_blank' href='https://mapwarper.net/'>Map Warper</a> to upload and rectify scanned maps for use in WorldMap." %} <br/><br/> {% trans "Maps rectified using this tool can be brought into WorldMap by following the instructions under Section 4.5 in <a href='{{ STATIC_URL }}docs/WorldMap_Help.pdf'>WorldMap Help</a>." %}</p>
                     <br/><br/>
                     <div align="center"><a target="_blank" href="http://warp.worldmap.harvard.edu"><img src="{{ STATIC_URL }}worldmap/theme/img/warper-sample.jpg" border="0" /></a></div>
                 </div>