Merge pull request #8 from manspuri/features-login-signup-authentication

added model user_spec
change .travis.yml to ignore all branches except master
Changed inheritance on controllers from ActionController::Base to ApplicationController
basic layout complete, no css
Added normalize.css; taken from recent tweets challenge
basic css added, without any colors
Merge pull request #9 from manspuri/features-layout-view

Features layout view
merged