Correções na postagem de noticia
Merge remote-tracking branch 'origin/master'

Conflicts:
	app/controllers/application_controller.rb
	app/views/layouts/_carousel2.html.erb
	app/views/layouts/_navbar.html.erb
	app/views/noticias/_form.html.erb
	app/views/noticias/_nova_noticia.html.erb
Alteracoes