Test cloud controller responds to api requests when NATS is down
Add varz for NATS downtime

[finishes #47652323]
Insert seed data when starting cc in tests
decoded_response was already defined
Stop user from provisioning private plans.
refactor service provisioning access control

  Use visibility check in one place
move before_crate after validating request attributes
Add endpoints for CrashEvents [#48435601]
Use the established getter for consistency

[#47496111]
Service Bindings credentials column encrypted

[#47496111]
Raise exceptions from controllers in test
Fix some formatting, comments and variable names
Refactor out a service validator
Wait for NATS to start in specs
Service API take unique_id on creation

Also rejects the unique_id on updates
Allow unique_id to be imported for services

[#47382155]
Allow import of the unique_id for ServicePlan

[#47382155]
Increase timeout for nats spec
Remove obsolete TODO.
Pull up UAA authenticated API shared specs