Merge pull request #485 from plotly/update_offline

updated plotly js for offline mode + changelog

Author: Kevin Yan

CHANGELOG.md

@@ -4,6 +4,15 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [1.11.0] - 2016-05-27
+### Updated
+- Changed the default option for `create_distplot` in the figure factory from `probability` to `probability density` and also added the `histnorm` parameter to allow the user to choose between the two options. 
+Note: This is a backwards incompatible change. 
+
+- Updated plotly.min.js so the offline mode is using plotly.js v1.12.0
+	- Light position is now configurable in surface traces
+	- surface and mesh3d lighting attributes are now accompanied with comprehensive descriptions
+	
 ## [1.10.0] - 2016-05-19
 ### Fixed
 - Version 1.9.13 fixed an issue in offline mode where if you ran `init_notebook_mode`