Adds licensing information to the project

http://www.wtfpl.net/

The project is hereby licensed under WTFLP. Detailed information can be
found in LICENSE file.

Commit adds a package to provide a nice box around the copyright
statement. The solution still needs some refinement, but at least the
idea is out there. Two new files located at the include subfolder provide the
actual copyright statement and a custom command for embedding the
statement to whichever page necessary. While searching for the best
practice for doing this, this should suffice.