Ajuste do Menu
Merge branch 'master' of https://github.com/pavalucas/projeto-SACI into menu

Conflicts:
	first_app/app/helpers/groups_helper.rb
	first_app/app/views/groups/show.html.erb
	first_app/app/views/static_pages/home.html.erb
Continuação do menu
Margem consertada
Merge branch 'master' of https://github.com/pavalucas/projeto-SACI