Update services and code to match current backend

Summary:
- sync mock data with backend
- update service calls

Test Plan:
```
gulp --mock-backend
gulp
```

To verify with and without the mock backend.

Reviewers: seth, spaudanjo

Reviewed By: spaudanjo

Subscribers: rjmackay

Differential Revision: https://phabricator.ushahidi.com/D408