DOC: already include 0.20 release notes for dev docs

jorisvandenbossche · ischurov · commit 2f1a5b99f38a · 2016-12-19T04:04:59.000+03:00
diff --git a/doc/source/whatsnew.rst b/doc/source/whatsnew.rst
@@ -18,6 +18,8 @@ What's New
 
 These are new features and improvements of note in each release.
 
+.. include:: whatsnew/v0.20.0.txt
+
 .. include:: whatsnew/v0.19.2.txt
 
 .. include:: whatsnew/v0.19.1.txt
