v2492: Merge pull request #3011 from zendesk/gurney/fixChecksAPISupport

Fix Checks API Support (#3002)

v2491: Merge pull request #3010 from zendesk/gurney/errornotifier

Make ErrorNotifier test behavior more obvious

v2490: Merge pull request #3007 from zendesk/grosser/operator

allow samson to deploy CustomResourceDefinition

v2489: Merge pull request #3009 from zendesk/ioksanen-add-error-status

Add 'failure' to failure commit status list

v2488: Merge pull request #3002 from zendesk/gurney/checks

[BRE-1009] Support GitHub's new Checks API for reference status on deploy review

v2487: Merge pull request #3006 from zendesk/grosser/blue-green

PAAS-2251 creating 2 budgets that match a single pod causes alerts du…

v2486: Merge pull request #3004 from zendesk/jylee/apiversionerror

show nicer error message for bad apiVersion to client

v2485: Merge pull request #3000 from zendesk/grosser/docs

document how to use system namespace

v2484: Merge pull request #2999 from zendesk/jylee/clusterrolenonamespace

adding clusterrole to namespacelesskind for metrics-server to work

v2483: Merge pull request #2998 from zendesk/grosser/logic

reuse KUBE_WAIT_FOR_LIVE in KUBE_WAIT_FOR_PREREQ