hey fletinio now i can join your server
(and i haven't bought teh game)trolololololo
First i made a google account
Then i went to
http://mineshafter.appspot.com/
and register
After that i logged in
Then i went my mouse on my name on top-right corner and then i pressed 'Settings'
I went to 'conect your minecraft account' and i pressed change and i wrote my google
name and password!
I download 'minecraft proxy for servers' from pressing 'downloads' on the top
I openned it
I logged in with my account i made on the website and
Congatulations!!Now you can play minecraft for free!