adds buggy and not compiling GUI class

Attempts to make a GUI for this program but it's not completed!
If anybody can help plz help!
Adds Eclipse-Generated javadoc files

Just generate javadoc files and put them in ./doc/ folder.

Cause the source-code itself is not documented, the javadoc just
demonstrated
program system and nothing else!
I ask plz write good documentation for these codes! :(