installed devise and set up environment
adapted business model and migration based on devise
added business login to views
added devise:views files
updated sign-in view
changed url path for sign in and out to login and out
customizing sign up page
merged ui with sign-up code
added logo to sign-up page, more styling
styles for sign-up view
moved bg-image out of body and into a div
changed model validations
Merge pull request #19 from kendallflutey/devise

Devise