* Feature #1282 - Support pre-gzipped files

* Fix broken test cases

* Support brotli encoding as well

* Fix for #1276 - support integers and floats as metadata in markdown (#1278)

* Fix for #1276

* Use strconv.Format

* Use map[string]interface{} as variables

* One more file

* Always run all tests before commit

* Get rid of DocFlags

* Fix syntax in caddy.conf

* Update to Go 1.7.4

* Add send_timeout property to fastcgi directive.

* Convert rwc field on FCGIClient from type io.ReadWriteCloser to net.Conn.
* Return HTTP 504 to the client when a timeout occurs.
* In Handler.ServeHTTP(), close the connection before returning an HTTP
502/504.
* Refactor tests and add coverage.

* Return HTTP 504 when FastCGI connect times out.

* test: add unit test for #1283 (#1288)

* After review fixes

* Limit the number of restarts with systemd

* Prevent fd leak

* Prevent fd leak

* Refactor loops

* gofmt