Merge pull request srvrco#507 from srvrco/dual-rsa-ecdsa-2-locations

Fix bug srvrco#505 with DUAL_RSA_ECDSA and multiple locations

Merge pull request srvrco#506 from srvrco/Fix-registration-key-alread…

…y-in-use

Fix "Registration key already in use" error

Merge pull request srvrco#503 from srvrco/DUAL_RSA_ECDSA_ACMEv2

Fixes for DUAL_RSA_ECDSA and ecliptic curve problems

Update tag

Merge pull request srvrco#479 from srvrco/fix-v1-renew

Fix for ACMEv1 renewals

correcting version number

Merge pull request srvrco#459 from srvrco/Fix-missing-chain.crt-#349

Fix missing chain.crt srvrco#349

Merge pull request srvrco#405 from pbhenson/cnames

 Allow dns checks to deal with CNAME records

Merge pull request srvrco#428 from pixelart/bugfix/agreement-auto-app…

…rove

Case insensitive processing of agreement url because of HTTP/2

Fix changelog date