Added
- A new method `models.application.grantSupportAccess` that allows resin.io support staff to access all devices in an application.
- A new method `models.application.revokeSupportAccess` that resin.io support staff access on all devices in an application.
- A new method `models.device.grantSupportAccess` that allows resin.io support staff to access a device.
- A new method `models.device.revokeSupportAccess` that revokes resin.io support staff access to a device.