fix uppercase error for avatars

app/components/user-avatar.js

@@ -8,14 +8,14 @@ export default Ember.Component.extend({
   userInitials: function() {
     var name = this.get('name');
     var arr = name.split(' ');
-    var initials;
+    var initials = '';
 
     if (arr.length >= 2) {
       initials = arr[0].split('')[0] + arr[1].split('')[0];
     } else {
       initials = arr[0].split('')[0];
     }
-      return initials.toUpperCase();
+      return initials;
   }.property('userInitials')
 
 });

app/styles/app/modules/avatar.sass

@@ -30,6 +30,7 @@
       text-align: center
       font-size: 1.4em
       line-height: 1.6
+      text-transform: uppercase
 
   .real-avatar
     +absoluteCenter