Merge pull request #6 from kyledaugherty/styling

Styling
remove default comments created by rails
add resources for users and sessions
add google's shim for < IE 9
add user sign in and account settings to nav bar
add sessions controller and helpers and sign in page
add static pages controller and view for home page
include sessions helper in application controller
add partials for error messages and user info
add user validations and controller
fix merge conflicts
Merge pull request #7 from kyledaugherty/users

Users
update twbs classes for v3
fix merge conflicts