add migration for customizations push

migrations/20130208_user_customizations.js

@@ -0,0 +1,20 @@
+db.users.update(
+    {items:{$exists:0}},
+    {$set:{items:{weapon: 0, armor: 0, head: 0, shield: 0 }}},
+    {multi:true}
+);
+
+db.users.find().forEach(function(user){
+
+    var updates = {
+        // I'm not racist, these were just the defaults before ;)
+        'preferences.skin': 'white',
+        'preferences.hair': 'blond',
+
+        'items.head': user.items.armor,
+        'items.shield': user.items.armor
+    }
+
+    db.users.update({_id:user._id}, {$set:updates});
+
+})