debug user_sessions controller
added skip_before_filter :require_login to welcome and user_session controller
debugged blog_Article index
added index and skip_before_filter :require_login
modified abouts#index view
added jquery to modify form partial for new letter
refactored script on form partial for new letter
added redirects for edit and show in letters_controller
added redirects for edit and index in users_controller
edited application.html.erb to respond to current_user