added private public view to profile -- todo : add same for article view

test/data/schemas/user.js

@@ -1,9 +1,9 @@
 var mongoose = require('mongoose');
 
 var UserSchema = new mongoose.Schema({
-  username: {type: String, unique: true},
+  username: {type: String, unique: true, required: true},
   name: String,
-  password: String,
+  password: String
 });
 
 UserSchema.methods.recentArticles = function(callback) {