readme: add 'support level' badge.

Author: gavanderhoorn

README.md

@@ -1,5 +1,7 @@
 # ABB Experimental
 
+[![support level: community](http://img.shields.io/badge/support%20level-community-lightgray.png)](http://rosindustrial.org/news/2016/10/7/better-supporting-a-growing-ros-industrial-software-platform)
+
 [ROS-Industrial][] ABB experimental meta-package.  See the [ROS wiki][] page for more information.
 
 
@@ -9,6 +11,7 @@ This repository contains packages that will be migrated to the [abb][] repositor
 The contents of these packages are subject to change, without prior notice.
 Any available APIs are to be considered unstable and are not guaranteed to be complete and / or functional.
 
+
 ## Build
 ### Build from Source (developers only, not recommended)
 This build methods uses: