Registration, Error Redirecting, Table - See Extended

Updates to Registration process
-URL toggles between ?type=participant and ?type=judge
-Form changes based on type
-All fields save to database table "users"
-Registration Errors show on page in div
-Login form on Registration page redirects to home page with error
-Successful registration redirects to home page with success message

Projects (tables)
-Now using "users" table
-Shows a message if db has no entries of that type
-Judges show up on judges table now

Security
-Added a user_type variable to session data for ease of implementing
permissions later