Guests can sign-in with only a username
Create user condition for creating chat room
Create layout page header and sign out button
Remove guest_params
Implement alert for guests/users entering unauthorized pages
Remove extra line from user.rb
Move em tags within inline p tags
Add before_filter to controllers for alerts
Rename filter methods
Add attr_reader in Guest.rb and renamed ensure to require for before_filter
Rename require for filter to require_user
Fix indentation