New readme and recomendations for versions.

Author: Steffen Bleul

README.md

@@ -2,12 +2,15 @@
 
 [![Docker Stars](https://img.shields.io/docker/stars/blacklabelops/nginx.svg)](https://hub.docker.com/r/blacklabelops/nginx/) [![Docker Pulls](https://img.shields.io/docker/pulls/blacklabelops/nginx.svg)](https://hub.docker.com/r/blacklabelops/nginx/)
 
-## Supported tags and respective Dockerfile links
+# Supported Tags And Respective Dockerfiles
 
 | Nginx Version     | Tag          | Dockerfile |
 |-------------------|--------------|------------|
 | latest | latest | [Dockerfile](https://github.com/blacklabelops/nginx/blob/master/Dockerfile) |
-| 1.10.3-r0 | 2.2 | [Dockerfile](https://github.com/blacklabelops/nginx/blob/master/Dockerfile) |
+| 1.10.3-r0 | 2.2 | [Dockerfile](https://github.com/blacklabelops/nginx/blob/2.2/Dockerfile) |
+| undefined | development | [Dockerfile](https://github.com/blacklabelops/nginx/blob/development/Dockerfile) |
+
+> Recommended: Use tagged versioned image. Read the release notes. Always jump from one version to the next, rollback when necessary.
 
 # Features