Add twitter bootstrap and HAML gems
Make bootstrap-sass compatible with the asset pipeline
Add custom CSS that imports twitter bootstrap
Generate controller site_index with home, login, search, and upload actions
Add application's partial files for header, footer, and shim
Use appropriate partial files in application layout
Add request specification for side index page
Edit custom CSS
Add application helper function for application's page title
Edit home view file
Merge branch 'feature/filling-in-site-layout' into develop