Added bcrypt for secure passwords
gitignore to ignore .idea
Added User model
Added secret_pass_key as rails emended it
Added SessionController to create/destroy session. This is responsible to carry out the user autthencation (login) process
Removed sign-up faulty link that was accodently left out in the last commit
tuned the error reporting of the session controller
Added protected_attributes in Gemfile so that attr_accessible should work
Added bootstrap min css