[5.1.1] start improving the default page layout
[5.1.2] add bootstrap css and initial styles
ignore gemfile.lock
[5.1.3] create partials of header, footer, IE shim
[5.2.2] use nested sass for footer style
[5.2.2] use sass variables for colors
[5.3] add contact page to static pages controller

* all other additions of contact page previously completed
[5.3.1-2] create ruby style routes for static pages
[5.3.4] prettify rspec tests for static pages
[5.4.1] generate files and tests for new users
[5.4.2] create route for new user signup
[5.4.2] create new user page and test