add user migration

table with name, email, password_hash
add user model

add bcrypt for authentication
add attr_accessible for mass-assignment
add validations for email, name, password
add has_secure_password with password_digest
add routes for user

add route for root to homepage
add user resources
add login, logout routes
add new user view and controller

add views for signup form
basic user profile
controller User#new #create actions
cleanup code for user model, view, controller, routes

remove all comments from user model
removed unneccesary comments from routes.rb
removed except/only and as/homepage from config.rb
added development and test sqlite3 files plust the log directory to .gitignore
Merge pull request #2 from rwarbelow/user_can_sign_up

User can sign up