Move projection information storage to map. Layer/Grid.js sets the projection when it creates a tile url, and it's no longer in the default params of WMS.js.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@240 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/Grid.js

@@ -210,7 +210,7 @@ OpenLayers.Layer.Grid.prototype = Object.extend( new OpenLayers.Layer(), {
     */
     getFullRequestString:function(params) {
         var requestString = "";        
-        
+        this.params.srs = this.projection;
         // concat tile params with layer params and convert to string
         var allParams = Object.extend(params, this.params);
         var paramsString = OpenLayers.Util.getParameterString(allParams);