bump version; update news

cpsievert · cpsievert · commit 7bb8bc3b8d6f · 2016-03-08T14:50:58.000+11:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: plotly
 Title: Create Interactive Web Graphics via Plotly's JavaScript Graphing Library
-Version: 3.0.0
+Version: 3.1.0
 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
@@ -1,4 +1,11 @@
-3.0.0
+3.1.0 -- 8 Mar 2015
+
+CHANGES:
+
+* The "hidden" sharing option in plotly_POST() was renamed to "secret".
+* The default value in the scale argument in plotly_IMAGE() is now 1.
+
+3.0.0 -- 8 Mar 2015
 
 NEW FEATURES:
 
