Release 0.6.0

• Add Elasticsearch storage support
• Add viper/cobra configuration support #245 #307
• Add Zipkin /api/v1/spans endpoint #282
• Add basic authenticator to configs for Cassandra #323

Release 0.5.2

• Use official Cassandra 3.11 base image (#278)
• Support configurable metrics backend in the agent (#275)

Release 0.5.1

• Bug fix: Query startup should fail when -query.static-files has no trailing slash (#144)
• Push to Docker Hub on release tags (#246)

Release 0.5.0

First numbered release.