bump version; update news

cpsievert · cpsievert · commit 14807197a7dd · 2016-01-18T19:20:01.000-06:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: plotly
 Title: Create Interactive Web Graphics via Plotly's JavaScript Graphing Library
-Version: 2.2.3
+Version: 2.2.4
 Authors@R: c(person("Carson", "Sievert", role = c("aut", "cre"),
     email = "cpsievert1@gmail.com"),
     person("Chris", "Parmer", role = c("aut", "cph"),
diff --git a/NEWS b/NEWS
@@ -1,3 +1,7 @@
+2.2.4 -- 18 Jan 2015
+
+Fix for error in embed_notebook(). See #409.
+
 2.2.3 -- 18 Jan 2015
 
 Fix for geom_vline(). See #402.
