Upgrade compiler to go 1.16

Upgrade compiler to go 1.16

• Fix http transport typo
• Add access log
• Improove domain logging

Upgrade compiler to go 1.15

Merge pull request #144 from rekby/up-to-go-1.15

upgrade to go 1.15

Add default forward headers

Merge pull request #141 from rekby/devel

Add default forwarded

vendor

Merge pull request #139 from rekby/devel

vendor

Fix nil panics, add cert modes config

Merge pull request #138 from rekby/devel

Allow disable some cert type

Add settings for subdomains, added to main domain.

v0.23.11

Add custom subdomains

Autodetect IP from AWS metadata and external ip detector.

• Fix infinite authorization loop
• Autodetect IP from AWS metadata and external ip detector.

Metrics, multigo

Add initial prometheus metrics.
Add test and compile with two golang versions - old, for old system (windows 2003) and new - for support latest features of golang (tls 1.3, may be websocket, etc).

Fix bugs

• Fix renew locked certificate
• Fix read certificate from disk (bug of v0.23.7)
• Add fallback to RSA certificate if ECDSA has error (for example lock and has only rsa certificate)

Add ECDSA certificates

RSA and ECDSA certificates will be generate independent.

ECDSA will prefer.
If client software accept ecdsa - will generate and request ecdsa cert, if not - rsa.

it has own files cert, key and metadata (.json).