Merge branch 'master' of gitlab.c3sl.ufpr.br:portalmec/portalmec

app/assets/stylesheets/application.scss

app/controllers/management/statistics_controller.rb

app/models/bug.rb

app/models/concerns/orient_db_serializable.rb

app/models/feedback.rb

app/models/main_page.rb

app/services/feedback_service.rb

app/services/gitlab_bugreporter_service.rb

app/views/management/statistics/_general_stats.html.erb

app/views/management/statistics/index.html.erb

app/views/management/statistics/test.png

app/views/management/welcome/index.html.erb

app/views/shared/application/_feedback.html.erb

app/views/shared/application/_footer.html.erb