Merge branch 'master' of github.com:lshift/diffa
Use JoSQL for more complex escalation rules.
Merge master into escalation-rules
Remove event and origin properties on EscalationDef in favour of rule.
Improve rule validation.
Ensure that scan-level events are still functional.
Blank rules should match all differences.
Validate maximum rule length
Proxy difference event for cleaner properties; introduce shortcut properties; add release notes
Support removing all repair actions and escalations.
Add breakers for disabling features.
Add caching of breakers
Update release-notes/next.md
Fix test rules
Fix integration test rules
Support REST interface for breakers.
Merge branch 'escalation-rules' into pausable-escalations
Fix config of EscalationManager, handle breaker requests in Escalation Manager test.
Add test cases for creation, removal and querying of breakers.
Ignore duplicate key insertions.