user._v & group._v fixes

src/controllers/user.js

@@ -419,7 +419,7 @@ api.unlock = function(req, res) {
   }
 
   user.balance -= cost;
-  user.__v++;
+  user._v++;
   user.markModified('purchased');
   user.save(function(err, saved){
     if (err) res.json(500, {err:err});

src/models/group.js

@@ -12,7 +12,7 @@ var GroupSchema = new Schema({
   invites: [{type: String, ref: 'User'}],
   type: {type: String, "enum": ['guild', 'party']},
   privacy: {type: String, "enum": ['private', 'public']},
-  _v: {Number: Number,'default': 0},
+  _v: {type: Number,'default': 0},
   websites: Array,
   chat: Array,
   /*

src/models/user.js

@@ -28,10 +28,7 @@ var UserSchema = new Schema({
   // ### Mongoose Update Object
   // We want to know *every* time an object updates. Mongoose uses __v to designate when an object contains arrays which
   // have been updated (http://goo.gl/gQLz41), but we want *every* update
-  _v: {
-    type: Number,
-    'default': 0
-  },
+  _v: { type: Number, 'default': 0 },
   achievements: {
     originalUser: Boolean,
     helpedHabit: Boolean,