SOLR-15476: Facilitate 'shards.info' content customisation.

[cpoerschke]

https://issues.apache.org/jira/browse/SOLR-15476

[madrob]

I'm having trouble understanding how this is used in practice, can you add a unit test showing an example override implementation?

[cpoerschke]

I'm having trouble understanding how this is used in practice, can you add a unit test showing an example override implementation?

I've placed use illustrations on the JIRA ticket, does that help? That's not to say we can't have unit test coverage too of course.

[madrob]

I've placed use illustrations on the JIRA ticket, does that help? That's not to say we can't have unit test coverage too of course.

Yea, those are helpful. Test coverage will be more discoverable for some people, I think.

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