Merge pull request #78 from johanavril/godoc

use GoDoc badges

Author: tagomoris

README.md

@@ -2,6 +2,7 @@ fluent-logger-golang
 ====
 
 [![Build Status](https://travis-ci.org/fluent/fluent-logger-golang.png?branch=master)](https://travis-ci.org/fluent/fluent-logger-golang)
+[![GoDoc](https://godoc.org/github.com/fluent/fluent-logger-golang/fluent?status.svg)](https://godoc.org/github.com/fluent/fluent-logger-golang/fluent)
 
 ## A structured event logger for Fluentd (Golang)
 
@@ -19,8 +20,6 @@ Install the package with `go get` and use `import` to include it in your project
 import "github.com/fluent/fluent-logger-golang/fluent"
 ```
 
-GoDoc: http://godoc.org/github.com/fluent/fluent-logger-golang/fluent
-
 ## Example
 
 ```go