Hands on Controller

Highlights:
- Instead of running directly through routes, creating controller and routing pages through

Files:
- modified:   application/controllers/home.php
- new file:   application/controllers/users.php
- modified:   application/routes.php
- new file:   application/views/home/about.blade.php
- modified:   application/views/home/index.blade.php
- modified:   application/views/master.blade.php