bump version; update news

cpsievert · cpsievert · commit e0eca8f7c77b · 2016-09-27T15:39:15.000-05:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: plotly
 Title: Create Interactive Web Graphics via 'plotly.js'
-Version: 4.5.3
+Version: 4.5.4
 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.md b/NEWS.md
@@ -1,3 +1,9 @@
+# 4.5.4 -- 27 September 2016
+
+## BUG FIX
+
+* Only insert missing values to differentiate groups when it's relevant.
+
 # 4.5.3 -- 27 September 2016
 
 ## NEW FEATURES
