Added comment about the recently added coolwarm colormap.

Author: WeatherGod

doc/users/whats_new.rst

@@ -189,7 +189,8 @@ Other improvements
 * Michiel de Hoon has modified the MacOSX backend to make
   its interactive behavior consistent with the other backends.
 
-* Pim Schellart added a new colormap called "cubehelix". See it and all
+* Pim Schellart added a new colormap called "cubehelix".
+  Sameer Grover also added a colormap called "coolwarm". See it and all
   other colormaps :ref:`here <pylab_examples-show_colormaps>`.
 
 * Many bug fixes and documentation improvements.