Test cases for /ids/Users endpoint
https://www.pivotaltracker.com/story/show/76994868
[#76994868]
Implement proper security for /ids/Users

https://www.pivotaltracker.com/story/show/76994868
[#76994868]
Remove duplicate client definition
Merge branch 'feature/ids_users' into develop
https://www.pivotaltracker.com/story/show/76994868
[#76994868]