CLI jar executable

This actually works, just run it from command line with your username
and password as parameters 1 and 2 respectively.
gitignore
Java binaries

Can't be bothered to gitignore
Eventual GUI class file
Tidying up
Tidying up
Edited to comply with user badges/emblems in chat.

The addition of badges/emblems messed up the username in messages so
had to edit my regex.