Merge pull request hpneo#423 from ahmadsoe/title-control

Add title options to control

Author: hpneo

lib/gmaps.controls.js

@@ -16,6 +16,10 @@ GMaps.prototype.createControl = function(options) {
   if (options.id) {
     control.id = options.id;
   }
+  
+  if (options.title) {
+    control.title = options.title;
+  }
 
   if (options.classes) {
     control.className = options.classes;