graphite-clickhouse ignores from/until in /metrics/find requests

[perederyaev]

Hi!

For /metrics/find requests graphite-clickhouse uses only global index (DefaultTreeDate = "1970-02-12") and ignores from/until variables when daily index is enabled.
Therefore find returns a lot of metrics including those aren't updated for a long time.

I'd be nice to fix the issue

[Hipska]

Might be related to #83