#pairwise - display suggestion form to non logged users
Merge branch 'AI2942-pairwise_plugin' into stable
#pairwise - groups of questions block was throwing error on edition when user does not have questions
Merge branch 'AI2942-pairwise_plugin' of gitlab.com:participa/noosfero into AI2942-pairwise_plugin
Merge branch 'AI2942-pairwise_plugin' into stable