Merge pull request bitpay#2759 from bsnowden3/fix-schnorr-verify

Fix schnorr verify

Merge pull request bitpay#2389 from micahriggan/feature/insight-multi…

…ple-hosts

Multiple hosts, and support for chain/network on a particular host

Merge pull request bitpay#2127 from matiu/ver8.2.0

v8.2.0