merge master & readd ga

index.html

@@ -22,6 +22,11 @@
     <p class="game-intro">Join the numbers and get to the <strong>2048 tile!</strong></p>
 
     <div class="game-container">
+      <div class="game-message">
+        <p></p>
+        <a class="retry-button">Try again</a>
+      </div>
+
       <div class="grid-container">
         <div class="grid-row">
           <div class="grid-cell"></div>