ChartMuseum v0.7.0

Feature release 0.7.0

Support for Redis as external cache store (#72)
Introduce statefile "index-cache.yaml" to improve startup speed (#91)

Bug Fixes

Fix Prometheus monitoring for multitenancy (#123)
Fix double put and object validation occur introduced in fix for #125 (#131)

Other

Upgrade to Helm 2.9.1
Update CI image to use Go 1.10
Add docs on Prometheus metrics (#128)