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
added login css and refactored some from sign-up css
finished login view
added placeholders to text_fields
Merge pull request #20 from kendallflutey/login-devise

Login devise
finished forgotten password view
Merge pull request #21 from kendallflutey/forgotten-devise

finished forgotten password view
Merge branch 'master' of https://github.com/kendallflutey/EDA-final-project into Mobile_Mainscreen_UI