Merge branch 'master' of https://github.com/LaraDock/laradock

* 'master' of https://github.com/LaraDock/laradock:
  fix caddy Dockerfile from previous commit.
  caddy log to file. enable gzip compression.
  update caddy to v0.9.1
  Laravel 5.3 is published officially
  Create README-zh.md

Author: Mahmoudz