[ ] Bug fix (non-breaking change which fixes an issue).
[x] New feature (non-breaking change which adds functionality).
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected).
[ ] Other (any another change that does not fall in one of the above categories.)
Checklist:
[x] I have signed the Rokwire Contributor License Agreement (CLA). (Any contributor who is not an employee of the University of Illinois whose official duties include contributing to the Rokwire software, or who is not paid by the Rokwire project, needs to sign the CLA before their contribution can be accepted.)
Description
Add admin GET survey responses API **Resolves #66
Type of changes
Checklist: