fix hiding question in forum
remove logging
fixes user fields in signup forms
fix alerts on lesson and use $timeout
show only published and listed courses in upcoming courses
allow anonymous user to list upcoming courses
update extensions
criei as classes main-header e secondary-header
removi as regras do header que passa a ter a classe secondary-header
transformei o id main-header em classe
adicionei a classe secondary-header
resolvi conflitos do merge