Merge pull request #22 from rogeriopradoj/master

Update header, footer and homepage
[pt_BR]Hide doc v1, support, about and contribute links on homepage

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
[pt_BR]Improve translation on header.html

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>