Merge branch 'master' of github.com:spinnaker/keel

chore(dependencies): Autobump korkVersion (spinnaker#1645)

Co-authored-by: root <root@73fd689d0395>

fix(plugins): instance provider was missing annotation (spinnaker#1604)

fix(build): java-library plugin seems to be required for publishing (s…

…pinnaker#1603)

chore(monitoring): Enable New Relic tracing in select methods (spinna…

…ker#1602)

feat(api): Standardize mechanism for ResourceHandlers to notify artif…

…act deployments (spinnaker#1466)

* refactor(api): Move artifact deployment events to keel-api

* feat(api): Add artifact deployment notification methods to ResourceHandler

* fix(pr): Use EventPublisher where needed

fix(api): Don't make assumptions about which resources link to artifa…

…cts (spinnaker#1459)

feat(resources): Add standardized display name for resources (spinnak…

…er#1456)

* feat(resources): Add standardized displayName field for resource specs

* fix(pr): Avoid persisting ResourceSpec.displayName

feat(plugins): Enablement for Java plugins (spinnaker#1446)

* refactor(api): Make Resource metadata accessor fields accessible from Java

* feat(plugins): Add Java-compatible version of TaskLauncher.submitJob

* fix(pr): Remove unneeded environment field

feat(api): Enable resources with just regions for locations (spinnake…

…r#1444)

* feat(api): Enable resources with just regions for locations

* Update keel-api/src/main/kotlin/com/netflix/spinnaker/keel/api/Locatable.kt

Co-authored-by: Rob Fletcher <[email protected]>

* Update keel-api/src/main/kotlin/com/netflix/spinnaker/keel/api/Locatable.kt

Co-authored-by: Rob Fletcher <[email protected]>

* Update keel-api/src/main/kotlin/com/netflix/spinnaker/keel/api/Locatable.kt

Co-authored-by: Rob Fletcher <[email protected]>

Co-authored-by: Rob Fletcher <[email protected]>