GUI.java: Fixes key stroke errors in code.

Fixes some key stroke errors that occured in GUI.java. Also imports a class that was missing.
GUI: Takes unnecessary console messages off of program.

Takes the "You clicked mouse" console messages off of the program which occured when user pressed buttons.
GUI: Bug Fix to keep "Export to Text File" -button in place.

In GUI there was a bug fix where "Export to Text File" kept on changing place when some other button was pressed. Now it's fixed to stay still.
Crypter: Re-removes the unnecessary spaces between crypted letters.

The unnecessary spaces between crypted characters in Crypter app have been removed from the code once again.
Adds documentation

Adds documentation and a minor change to the name of the GUI box.

signed-off-by: Iikka Pohjola
<iikka.pohjola@cs.tamk.fi>
Merge remote-tracking branch 'iikka/feature-2' into test