rails g devise:install devise:views

Change-Id: Ifc9c46850794c2d83adc0d5fb0f09c49acb73c5b
rails g devise User

Change-Id: I407bc6630afb14ea82a1d63ed0819ea1d08a095e
Spec helper setup

Change-Id: I7146984aa36588567cfbe0bb35af79cb8697ce21