Display "live" ENSRainbow stats on ENSAdmin "status" page

[lightwalker-eth]

The goal of this story is to ensure the values we display here are "live".

[djstrong]

Also show label set id and version.

[tk-o]

Will be possible after PR #919 is merged. That PR introduces integration of new data model, which includes detailed dependency info about ENSRainbow service.

[lightwalker-eth]

This goal is achieved through our recent enhancements 👍