Authentication for all services and Brasil theme.

Authentication for twitter, instagram, flickr and foursquare through omniauth.
Facebook to make sure user authentication was successful.
Only loads google maps javascript if user chooses by location search.
Menu is now centralized.
New menu with services to authenticate.
Brazil colors and flag favicon.
Updated jquery cookie plugin. No more ajax to load main menu.
Tag search to be first in order.
Brasil catchphrases.