Changed Topic Page Layout

* Modified the layout of the topic page
* Changed 'User.cs' to contain the User Type as well
- Two overloaded constructors, one accepting an int value for the
usertype instead of a UserType enum
- Added function to get the amount of topics the user has made
* Changed 'Topic.cs' to contain the username of the person who created
the topic

* SQL
- Modified a few procedures to work with the new BLL
- Added a procedure to get the amount of topics the user has made