Minor adjustments

Adjusts some very minor stylistic things and adds myself as an
author for the file.

signed-off-by: Iikka Pohjola
<iikka.pohjola@cs.tamk.fi>
Adds author

Adds myself as author for Crypter.java

signed-off-by: Iikka Pohjola
<iikka.pohjola@cs.tamk.fi>