[README] add branch note and build badges

README.md

@@ -3,5 +3,33 @@
 This repository contains the Gazebo simulation for Fetch Robotics Fetch and
 Freight Research Edition Robots.
 
- * Devel Job Status: [![Build Status](http://build.ros.org/buildStatus/icon?job=Idev__fetch_gazebo__ubuntu_trusty_amd64)](http://build.ros.org/view/Idev/job/Idev__fetch_gazebo__ubuntu_trusty_amd64/)
- * AMD64 Debian Job Status: [![Build Status](http://build.ros.org/buildStatus/icon?job=Ibin_uT64__fetch_gazebo__ubuntu_trusty_amd64__binary)](http://build.ros.org/view/Ibin_uT64/job/Ibin_uT64__fetch_gazebo__ubuntu_trusty_amd64__binary/)
+Please note the _branch_: the default branch in GitHub is **gazebo9**.
+1. **gazebo9** should be used with **ROS Melodic** and **Ubuntu 18.04**
+2. **gazebo7** should be used with **ROS Kinetic** and **Ubuntu 16.04**
+3. **gazebo2** should be used with **ROS Indigo** and **Ubuntu 14.04**
+
+## Tutorial & Documentation
+
+Please refer to our documentation page: http://docs.fetchrobotics.com/gazebo.html
+
+## Launch it on ROSDS
+
+The Fetch Gazebo packages can be run in the cloud, through an external service ROSDS, provided by TheConstruct.
+http://docs.fetchrobotics.com/gazebo.html#launch-it-on-rosds
+
+## ROS Buildfarm Release
+
+Fetch Gazebo Package | Indigo Source | Indigo Debian | Kinetic Source | Kinetic Debian | Melodic Source | Melodic Debian
+-------------------- | ------------- | ------------- | -------------- | -------------- | -------------- | --------------
+fetch_gazebo | [![Build Status](http://build.ros.org/buildStatus/icon?job=Isrc_uT__fetch_gazebo__ubuntu_trusty__source)](http://build.ros.org/job/Isrc_uT__fetch_gazebo__ubuntu_trusty__source/) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Ibin_uT64__fetch_gazebo__ubuntu_trusty_amd64__binary)](http://build.ros.org/view/Ibin_uT64/job/Ibin_uT64__fetch_gazebo__ubuntu_trusty_amd64__binary/) | | | | |
+fetch_gazebo_demo | [![Build Status](http://build.ros.org/buildStatus/icon?job=Isrc_uT__fetch_gazebo_demo__ubuntu_trusty__source)](http://build.ros.org/job/Isrc_uT__fetch_gazebo_demo__ubuntu_trusty__source/) | [![Build Status](http://build.ros.org/buildStatus/icon?job=Ibin_uT64__fetch_gazebo_demo__ubuntu_trusty_amd64__binary)](http://build.ros.org/job/Ibin_uT64__fetch_gazebo_demo__ubuntu_trusty_amd64__binary/) | | | | |
+fetchit_challenge | | | | | | |
+
+## ROS Buildfarm Devel
+
+Fetch Gazebo Package | Indigo Devel | Kinetic Devel | Melodic Devel
+-------------------- | ------------ | ------------- | -------------
+fetch_gazebo | [![Build Status](http://build.ros.org/buildStatus/icon?job=Idev__fetch_gazebo__ubuntu_trusty_amd64)](http://build.ros.org/view/Idev/job/Idev__fetch_gazebo__ubuntu_trusty_amd64/) | | |
+fetch_gazebo_demo | | | |
+fetchit_challenge | | | |
+