Update v0.6.1.rst

Author: cwhanse

docs/sphinx/source/whatsnew/v0.6.1.rst

@@ -1,6 +1,6 @@
 .. _whatsnew_0601:
 
-v0.6.1 (EST December, 2018)
+v0.6.1 (31 January 2019)
 ---------------------------
 
 This is a minor release. We recommend all users of v0.6.0 upgrade to this
@@ -104,4 +104,4 @@ Contributors
 * Jonathan Gaffiot (:ghuser:`jgaffiot`)
 * Marc Anoma (:ghuser:`anomam`)
 * Anton Driesse (:ghuser:`adriesse`)
-* Kevin Anderson (:ghuser:`kevinsa5`)
+* Kevin Anderson (:ghuser:`kevinsa5`)