When cloning a study, add the new study's creator to the study admin group.
When cloning a study, add the new study's creator to the study admin group.

CenterForOpenScience/lookit-api,pattisdr/lookit-api,CenterForOpenScience/lookit-api,CenterForOpenScience/lookit-api,pattisdr/lookit-api,pattisdr/lookit-api