switch to the new bitcoin.org

implement multilanguage
new improved clients list page
update history and statistics in the "about" page
add "Some things you need to know" page
add "Support Bitcoin" page
add a contextual presentation for each category of users (individuals, organizations, developers and enthusiasts)
add a short and concise "how it works" page
add a "vocabulary" page for Bitcoin technical words definitions
give more visibility for the foundation
new website design and layout