add full github links in CHANGELOG
add full github links in CHANGELOG

jeffbuttars/Wikipedia,suesai/Wikipedia,suesai/Wikipedia,kaushik94/Wikipedia,goldsmith/Wikipedia,seansay/Wikipedia,TobyRoseman/Wikipedia,alexsalo/Wikipedia,AhmedAMohamed/Wikipedia,jeffbuttars/Wikipedia,AhmedAMohamed/Wikipedia,goldsmith/Wikipedia,seansay/Wikipedia,kaushik94/Wikipedia,barrust/Wikipedia,alexsalo/Wikipedia,Timidger/Wikia,TobyRoseman/Wikipedia,Timidger/Wikia