Fix double certificates for subdomain www

v0.20.7

Fix double sertificates for www subdomain

Fix url for test-acme-server flag

Merge pull request #74 from rekby/devel

Fix test server flag
Some improve log messages about cache miss

External DNS, include configs

• Add support for external dns. Now lets-proxy2 can use external dns for check domain name ip.
• Add support for include configs. Now in wide deployments it can has one global config + local config for override details.

Fix metadata files name

Merge pull request #66 from rekby/devel

Fix cert name

Add support json metadata

v0.20.3

Add support for save metadata from file.

v0.20.2: Merge pull request #61 from rekby/devel

Fix make archives

v0.20.1

Travis optimizations

v0.20.0.118: Autopublish release after accept PR to master branch

Close #23