Merge pull request plotly#625 from plotly/changelog-for-labels

forgot to update changelog - making commit for that

Author: Kully

CHANGELOG.md

@@ -2,6 +2,10 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [Unreleased]
+### Updated
+-`FF.create_scatterplotmatrix` now by default does not show the trace labels for the box plots, only if `diag=box` is selected for the diagonal subplot type.
+
 ## [1.12.11] - 2016-12-01
 ### Fixed
 - The `link text` in the bottom right corner of the offline plots now properly displays `Export to [Domain Name]` for the given ___domain name set in the users' `.config` file.