upgrade lodash to 2.2.1

package.json

@@ -20,7 +20,7 @@
     "resolve": "~0.2.3",
     "expect.js": "~0.2.0",
     "relative-date": "~1.1.1",
-    "lodash": "~1.3.1",
+    "lodash": "~2.2.1",
     "async": "~0.2.9",
     "optimist": "~0.5.2",
     "mongoose": "~3.6.20",

public/js/controllers/groupsCtrl.js

@@ -47,9 +47,9 @@ habitrpg.controller("GroupsCtrl", ['$scope', '$rootScope', 'Groups', '$http', 'A
         if(yes){
           group.$removeMember({uuid: member._id});
           if(isMember){
-            group.members = _.without(group.members, member);
+            _.pull(group.members, member);
           }else{
-            group.invites = _.without(group.invites, member);
+            _.pull(group.invites, member);
           }
         }
       }
@@ -169,7 +169,7 @@ habitrpg.controller("GroupsCtrl", ['$scope', '$rootScope', 'Groups', '$http', 'A
           // remove user from group members if guild is public so that he can re-join it immediately
           if(group.privacy == 'public'){
             // slow when a lot of members...? probably yes
-            group.members = _.without(group.members, User.user._id);
+            _.remove(group.members, {_id: User.user._id});
             group.memberCount--;
           }
           $state.go('options.social.guilds');

src/controllers/groups.js

@@ -243,7 +243,7 @@ api.deleteChatMessage = function(req, res, next){
     return res.json(401, {err: "Not authorized to delete this message!"})
   }
 
-  group.chat = _.without(group.chat, message);
+  _.pull(group.chat, message);
   
   group.save(function(err, data){
     if(err) return res.json(500, {err: err});