Crypter.java: Change morse array to crypted array.

Change morse array to crypted array and morse cells to cells that
contain a single cahracter to make decrypting easier.

Signed-off-by: Raido Roomets <raido.roomets@cs.tamk.fi>
Crypter: Change crypted-array from String[] to char[].

Change crypted-array from String-array to char-array.

Signed-off-by: Roope Rantanen <roopepe@hotmail.com>