update README for Kinetic (ros-drivers#93)

README.rst

@@ -9,9 +9,10 @@ definition 3D LIDARs`_.
   The master branch normally contains code being tested for the next
   ROS release.  It will not always work with every previous release.
 
-The current ``master`` branch works with ROS Jade, Indigo and Hydro.  It may
-work with Groovy, but that is not guaranteed.  To build for Fuerte
-from source, check out the ``rosbuild`` branch instead of ``master``.
+The current ``master`` branch works with ROS Kinetic, Jade, and
+Indigo.  It may work with Hydro and Groovy, but that has not been
+tested recently.  To build for Fuerte from source, check out the
+``rosbuild`` branch instead of ``master``.
 
 .. _ROS: http://www.ros.org
 .. _Velodyne: http://www.ros.org/wiki/velodyne