pairwise - display filter for ideas and suggestions
pairwise - do not allow users without permissions to manage ideas/suggestions
pairwise client -  added method to flag choices and to find choices
inactive but not flagged
Merge branch 'AI2942-pairwise_plugin' of gitlab.com:participa/noosfero into AI2942-pairwise_plugin
#pairwise - fixed problem with pairwise skip vote