Commit patch for #788, "Control displayClass is not correct if CLASS_NAME

contains >= 2 periods"  from fredj, who is a wonderful contributor who not only
wrote code, and tests, but upgraded all the existing control tests, because he
is just that full of awesome. (Thanks Fred!) 


git-svn-id: http://svn.openlayers.org/trunk/openlayers@3534 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control.js

@@ -52,7 +52,7 @@ OpenLayers.Control.prototype = {
         // We do this before the extend so that instances can override
         // className in options.
         this.displayClass = 
-            this.CLASS_NAME.replace("OpenLayers.", "ol").replace(".","");
+            this.CLASS_NAME.replace("OpenLayers.", "ol").replace(/\./g, "");
         
         OpenLayers.Util.extend(this, options);