Push develop to staging

Delivered stories:

- A sponsor with active sponsorships cannot be inactivated OSRA-184
- Consistent data field order in new, edit and show views OSRA-117
- Show Sponsorship Status & link to actively sponsoring sponsor (if any) on Orphan page OSRA-177
- Change plural "orphans" to singular "orphan" when referring to views for individual orphans in Cucumber OSRA-195