v2.2.0

Thanks to our contributors for this release: @marcinjahn, @klubi, @korylprince, @mceIdo, @9072997, @bkstein, @macmule, @venkyg-sec, and @jbpin!

New

• ARM Makefile binary targets for Apple and Linux: #176, #186
• Bind address configurable: #182
• Server key usages support: #189
• CN in CA cert: #196
• DNS name flag: #202
• PKCS8 key and non-encrypted CA: #198

Fixed

• Fix signer grace from 600ns to 10 minutes: #193
• BoltDB Depot serial number changes for data races: #185, #190

Other

• Update docs: #177
• Dependency updates: x/sys, x/net, pkcs7: #179, #213, #222, #223
• Refactor/API: #220, #221