Switched user name and password fields in creating user account form

Moved full name field of account registration form and added password confirmation field

Added check to see if password and password confirmation fields match in form to create a new user account

Added check to make sure username and password fields do not match in reigstration form

Editted student tests to incorporate password confirmation field

Fixed some errors in student registration unit tests

Fixed some issues in third_party_auth unit tests that test account creation

Changed error-causing parameter name password-confirmation to password_confirmation

Cleaned up more unit tests, incorporating added password_confirmation field to user registration

Fixed issues with third-party authentication needed new password_confirmation field when creating an account

Added password_confirmation field to contentstore tests

Wrote some simple tests for new password_confirmation field in user registration

Cleaned up layout of updated registration page