Replaced use of custom 'baseUrl' helper with 'url'

Also changed up how base URL setting was being done
by manipulating incoming request URLs instead of
altering then on generation.

app/Http/Middleware/Authenticate.php

@@ -41,7 +41,7 @@ class Authenticate
             if ($request->ajax()) {
                 return response('Unauthorized.', 401);
             } else {
-                return redirect()->guest(baseUrl('/login'));
+                return redirect()->guest(url('/login'));
             }
         }