added paperclip,pg tabuser model with user attribute
signup and admin
added sessions
added authentication and doctor model
medical shop model added
few changes
added appointment model habtm and disabled turbolinks
autocomplete for names and create appointment
appointment show,create and view ..change selection to radio/checkbox
checkbox for doctor and medical shop
partial for user/admin appointments
appointment status added
intime and outtime added to appointment
reports to appoinment added and few more fixes ...