Make the website switchable greek/english with possibility to add more languages

Subtasks:

[x] Move all text outside of template files and show them via JS. (Make separate task)
[x] Find library to do this. Would https://github.com/wikimedia/jquery.i18n be a good candidate?
[x] Use library to show text
[x] Provide translation of all text in English
[x] Provide translation of all text in Romanian (In Romania it seems the game is played also with passion)
[x] Make the logos also internationalized. (make separate task)

mei-li / tsougkrizo