wiki/NaturalDocs says we should be using 'Return:' and not 'Returns:' so this patch is fixing that. Of course, in the process, I came across not a few instances where other ND related whitespace or typos were at odds with a peaceful, uniform OL codebase. No functional changes here, just makin' things pretty.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@4109 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Renderer.js

@@ -76,7 +76,7 @@ OpenLayers.Renderer = OpenLayers.Class({
      * APIMethod: supported
      * This should be overridden by specific subclasses
      * 
-     * Returns:
+     * Return:
      * {Boolean} Whether or not the browser supports the renderer class
      */
     supported: function() {
@@ -119,7 +119,7 @@ OpenLayers.Renderer = OpenLayers.Class({
      * Method: getResolution
      * Uses cached copy of resolution if available to minimize computing
      * 
-     * Returns:
+     * Return:
      * The current map's resolution
      */
     getResolution: function() {
@@ -176,7 +176,7 @@ OpenLayers.Renderer = OpenLayers.Class({
      * Parameters:
      * evt - {<OpenLayers.Event>} 
      *
-     * Returns:
+     * Return:
      * {String} A feature id or null.
      */
     getFeatureIdFromEvent: function(evt) {},