updated spinner view to use CSS3 instead of spinning font.

UI/Shared/SpinnerTemplate.html

@@ -1 +1,8 @@
-<i class="icon-spinner icon-spin"/>
+<div class="row">
+    <div id="followingBalls">
+        <div id="followingBallsG_1" class="followingBalls"></div>
+        <div id="followingBallsG_2" class="followingBalls"></div>
+        <div id="followingBallsG_3" class="followingBalls"></div>
+        <div id="followingBallsG_4" class="followingBalls"></div>
+    </div>
+</div>

UI/Shared/SpinnerView.js

@@ -1,4 +1,4 @@
-'use strict';
+'use strict';
 
 define(
     [
@@ -6,7 +6,6 @@ define(
     ], function (Marionette) {
         return Marionette.ItemView.extend({
             template : 'Shared/SpinnerTemplate',
-            className: 'nz-spinner row'
         });
     });