updating CHANGELOG
updating CHANGELOG

janusnic/clearance,sferik/clearance,benlivermore/clearance,pedrosmmoreira/clearance,pedrosmmoreira/clearance,benlivermore/clearance,naveed-ahmad/clearance,crowdtap/clearance,thoughtbot/clearance,thoughtbot/clearance,zernie/clearance,janusnic/clearance,zernie/clearance,naveed-ahmad/clearance,rubyist/clearance,rubyist/clearance,naveed-ahmad/clearance,pedrosmmoreira/clearance,benlivermore/clearance,zernie/clearance,crowdtap/clearance,openeducation/clearance,crowdtap/clearance,janusnic/clearance,thoughtbot/clearance