Pullup trunk for RC4.

Fixes:
#694    Safari 1.3.2 doesn't work with OL 2.4
#695    GeoRSS serializer is broken
#696    events need to fall through the overview map extent rectangle
#697    Vector example to show how to use styles
#698    add close box option to AnchoredBubble
#701    SVG render does not always clear features when map extent changes
#703    OpenLayers.Layer.Vector do not properly destroy its features
#706    Full CSS support fails when Control.OverviewMap is loaded
#708    change WKT format to deal in features instead of geometries
#710    Install instructions unclear
#711    OpenLayers.Layer.Image requires OpenLayers.Tile.Image
#715    layer.js needs sanity check
#718    WMS.Untiled Clone doesn't work
#719    SVG renderer does not always redraw LineStrings and Polygons
#720    remove console.log() from OpenLayers.Format.WKT


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.4@3177 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Renderer/SVG.js

@@ -282,9 +282,7 @@ OpenLayers.Renderer.SVG.prototype =
             node.setAttributeNS(null, "cy", y);
             node.setAttributeNS(null, "r", radius);
         } else {
-            node.setAttributeNS(null, "cx", "");
-            node.setAttributeNS(null, "cy", "");
-            node.setAttributeNS(null, "r", 0);
+            this.root.removeChild(node);
         }    
             
     },
@@ -434,8 +432,9 @@ OpenLayers.Renderer.SVG.prototype =
         var strings = [];
         for(var i = 0; i < components.length; i++) {
             var component = this.getShortString(components[i]);
-            if (!component) { return false; }
-            strings.push(component);
+            if (component) {
+                strings.push(component);
+            }
         }
         return strings.join(",");
     },