patch to make sure main openlayers map div has neither padding nor margin. done via css thanks to tim's fabulous new class manip patch. r=cr5 (Closes #1179)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@7584 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

tests/Map.html

@@ -7,7 +7,7 @@
     var map;
 
     function test_Map_constructor (t) {
-        t.plan( 10 );
+        t.plan( 11 );
         
         map = new OpenLayers.Map('map'); 
         var baseLayer = new OpenLayers.Layer.WMS("Test Layer", 
@@ -15,6 +15,8 @@
             {map: "/mapdata/vmap_wms.map", layers: "basic"});
         map.addLayer(baseLayer);
 
+        t.ok( OpenLayers.Element.hasClass(map.div, "olMap"), "Map div has olMap class");
+
         t.ok( map instanceof OpenLayers.Map, "new OpenLayers.Map returns object" );
         if (!isMozilla) {
             t.ok( true, "skipping element test outside of Mozilla");