Sincronizar com https://github.com/socialsoftware/quizzes-tutor

$ git checkout develop
$ git remote -v
$ git remote add reference https://github.com/socialsoftware/quizzes-tutor
$ git remote -v
$ git branch --all
$ git fetch reference
$ git branch --all
$ git checkout -b merge-reference
$ git merge reference/master (it may be necessary to solve conflicts)
$ git push --set-upstream origin merge-reference

pull request no github de merge-reference para develop
uma vez aprovada

$ git checkout develop
$ git pull
$ git checkout master
$ git merge develop
$ git push
$ git branch -D merge-reference
$ git push origin --delete merge-reference