Updated the UserController by changing syntax and adding an Auth::login ...

...to the register function. Changed syntax errors in the WelcomeController. Made changes in syntax in the form on the contact blade. Added logic in the welcome blade that will either show just the create new button or both the create new button and the drop down button depending on if the user is new to the web application or a returning user. Updated syntax in the register blade within the form. Made a syntax change in the create_new_party blade. Created the welcome email blade to send to users once registered.