update changelog

Author: Kully

CHANGELOG.md

@@ -2,11 +2,20 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased]
+## [2.0.10] - 2017-06-09
 ### Added
-- 'sort' parameter to `FF.create_violin` to control whether violin plots are sorted alphabetically.
-- `plotly.figure_factory.create_facet_grid` joins the figure factory. For more information run `help(plotly.figure_factory.create_facet_grid)`.
+- The figure_factory can now create facet grids with `.create_facet_grid`. Check it out with:
+```
+import plotly.figure_factory as ff
+help(ff.create_facet_grid)
+```
 
+## [2.0.9] - 2017-05-30
+### Fixed
+- Fixes issue [https://github.com/plotly/plotly.py/issues/721](https://github.com/plotly/plotly.py/issues/721). There was an issue when running `import plotly` with old versions of the `decorator` package. We now require installations to use at least version `4.0.6` of the `decorator` package. See [https://github.com/micheles/decorator/blob/master/CHANGES.md](https://github.com/micheles/decorator/blob/master/CHANGES.md) for the `decorator` package changelog.
+
+### Added
+- 'sort' parameter to `FF.create_violin` to control whether violin plots are sorted alphabetically.
 
 ## [2.0.8] - 2017-04-21
 ### Added
@@ -585,4 +594,4 @@ it does.
   ```
 
 ### Fixed
-- The height of the graph in `iplot` respects the figure's height in layout
+- The height of the graph in `iplot` respects the figure's height in layout