Merge pull request #1 from raulsouzalima/master

Removed config/database.yml from git
removed .DS_Store
added transparencia_brasil gem
improved politicians importer(using transparencia_brasil gem)
using unicorn
getting politicians by nickname
show nickname on result box
small layout improves
fixed politicians#show topbar link
Removed sqlite3 and use the last version of mysql2
added select2 pt-BR
added minimumInputLength as 3 to select2
Updated database.yml.sample to use with mysql
fixed merge
Merge branch 'raulsouzalima-db_config'