add and congifure rspec and friends
add an index for users
add validations to user
replace erb by haml
add turbolinks
use twitter-bootstrap
Change the registration form
remove erb files
add a link to sign out
change session form
add helper for messages
add a list of members
add a page for user
remove stackoverflow for users
add map
add a job list
add validations for jobs
remove validation for website
remove a unused file
change the factory to pass validations