Merge pull request #31 from rtucek/add-release-badge

Add commit SHA1 badge

Author: rtucek

CHANGELOG.md

@@ -1,5 +1,5 @@
 ##### Tag v0.4.0 (2017-02-14)
-[![](https://images.microbadger.com/badges/image/rtucek/nginx-php:v0.4.0.svg)](https://microbadger.com/images/rtucek/nginx-php:v0.4.0 "Get your own image badge on microbadger.com") [![](https://images.microbadger.com/badges/version/rtucek/nginx-php:v0.4.0.svg)](https://microbadger.com/images/rtucek/nginx-php:v0.4.0 "Get your own version badge on microbadger.com")
+[![](https://images.microbadger.com/badges/image/rtucek/nginx-php:v0.4.0.svg)](https://microbadger.com/images/rtucek/nginx-php:v0.4.0 "Get your own image badge on microbadger.com") [![](https://images.microbadger.com/badges/version/rtucek/nginx-php:v0.4.0.svg)](https://microbadger.com/images/rtucek/nginx-php:v0.4.0 "Get your own version badge on microbadger.com") [![](https://images.microbadger.com/badges/commit/rtucek/nginx-php:v0.4.0.svg)](https://microbadger.com/images/rtucek/nginx-php:v0.4.0 "Get your own commit badge on microbadger.com")
 
 - Add badges for v0.3.4 release
 - Build image with more meta data