Update changelog

Author: rtucek

CHANGELOG.md

@@ -12,6 +12,7 @@
 - Fix changelog HTTP link
 - Use custom docker build
 - Make dedicated rule for build on TravisCI
+- Add badge with commit SHA
 
 ##### Tag v0.3.4 (2017-02-07)
 [![](https://images.microbadger.com/badges/image/rtucek/nginx-php:v0.3.4.svg)](https://microbadger.com/images/rtucek/nginx-php:v0.3.4 "Get your own image badge on microbadger.com") [![](https://images.microbadger.com/badges/version/rtucek/nginx-php:v0.3.4.svg)](https://microbadger.com/images/rtucek/nginx-php:v0.3.4 "Get your own version badge on microbadger.com")