updated user schema
updated user schema

pcnicklaus/instagrammmin,LucasFrecia/instagram-hackhands,dongguangming/angularjs-satellizer-nodejs-mongodb,kgao/instagram-hackhands,memezilla/instagram-hackhands,dongguangming/angularjs-satellizer-nodejs-mongodb,kampta/instaclone,filipemerker/instagram-hackhands,kgao/instagram-hackhands,pcnicklaus/instagrammmin,filipemerker/instagram-hackhands,RAGOpoR/instagram-hackhands,RAGOpoR/instagram-hackhands,sahat/instagram-hackhands,memezilla/instagram-hackhands,LucasFrecia/instagram-hackhands,kampta/instaclone