* srvrco/master: (23 commits)
  Allow dns checks to deal with CNAME records
  Case insensitive processing of agreement url because of HTTP/2
  Fix changelog date
  Nsupdate one-liner (#393)
  Check curl version if it supports the --http1.1 flag
  Use HTTP 1.1 as workaround atm
  Make a stricter comparison for matching against zone names
  Update issue templates
  spelling: verifying
  spelling: upgrading
  spelling: server
  spelling: secure
  spelling: private
  spelling: permission
  spelling: mac os x
  spelling: macos
  spelling: archive
  spelling: allow
  spelling: acme
  Update getssl
  ...

* srvrco/master: (65 commits)
  Fix "Registration key already in use" error
  Update version and revision history
  Fix #424 -  Sporadic "error in EC signing couldn't get R from ..."
  Fix for DUAL_RSA_ECDSA not working with ACMEv2 (#334, #474, #502)
  Add SSH_OPTS to template
  Add SCP_OPTS and SFTP_OPTS
  Update release notes and version
  Use default awk on most images, add debian:latest and ubuntu:latest
  Fix regex for non-gnu versions of awk.
  Change -debug=1 to -debug for nslookup
  Test improvements and add Alpine Linux
  Fix epoch_date for busybox and json_awk for gawk v5
  Less fragile way of deciding whether to run old awk test
  Show error message if awk doesn't support json_awk
  Check output for "Error", "Failed" and "Warning"
  Update revision history
  Fix for "already verified" problem seen with ACMEv2 during testing
  Test using BATS
  Update revision history
  Use urlbase64_decode instead of base64 -d
  ...

* srvrco/master: (101 commits)
  Update README.md
  Merge pebble dns and staging dns tests
  Add/fix tests for CHECK_REMOTE and DUAL_RSA_ECDSA
  Fix CHECK_REMOTE for DUAL_RSA_ECDSA
  Add --retry to curl to fix occasional "Bad Gateway" errors
  Update nginx config to test both certificates
  .gitattributes added
  Add tests for obtain_ca_resource_locations and no CA suffix
  Fix missing URL_revoke definition when no CA directory suffix
  Update revision history and version number
  Update test to test using staging server
  Test --revoke
  Fix --revoke
  Add test for --notify-valid
  Add --notify-valid
  Add testing for the auto-update to v02 feature
  Add --check-config and auto upgrade CA v02 url
  Remove .idea files
  Change CA to v02, fix shellcheck warning and indentation
  Update revision history and version
  ...