disable the question duplication button since this feature is broken
disable the question duplication button since this feature is broken

nnamon/coursemology.org,Coursemology/coursemology.org,allenwq/coursemology.org,nnamon/coursemology.org,allenwq/coursemology.org,Coursemology/coursemology.org,dariusf/coursemology.org,nnamon/coursemology.org,allenwq/coursemology.org,Coursemology/coursemology.org,dariusf/coursemology.org,dariusf/coursemology.org,Coursemology/coursemology.org,dariusf/coursemology.org,Coursemology/coursemology.org,dariusf/coursemology.org,allenwq/coursemology.org,nnamon/coursemology.org,allenwq/coursemology.org,nnamon/coursemology.org