Ability to verify setup is completed

[markcunninghamuk]

Would be great to have a visual indicator to denote if all the setup steps have been completed and connectivity is verified.

[ewingjm]

A button could be added onto the environment entity ribbon to check connection. Would just need to call an action that uses a code activity to make a WhoAmI request in the target instance. Should be easy enough to set up using the IntegratedWorkflowActivity base class.

[ewingjm]

@markcunninghamuk I'm working on this at the moment. Also moving the client ID/secret to be per environment rather than global.