Tim's big refactoring of the Geometry modules. Fixes #590. All tests pass in FF (except the PanZoomBar stuff, which wasn't touched by this patch) and IE.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2931 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Handler/Path.js

@@ -79,10 +79,11 @@ OpenLayers.Handler.Path.prototype =
     },
     
     /**
-     * Add point to geometry
+     * Add point to geometry.  Send the point index to override
+     * the behavior of LinearRing that disregards adding duplicate points.
      */
     addPoint: function() {
-        this.line.addComponent(this.point.clone());
+        this.line.addComponent(this.point.clone(), this.line.components.length);
     },
     
     /**