Prepare changelog for v0.8.5

Author: dbkr

CHANGELOG.md

@@ -1,3 +1,9 @@
+Changes in [0.8.5](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v0.8.5) (2017-01-16)
+===================================================================================================
+[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v0.8.5-rc.1...v0.8.5)
+
+ * Pull in newer matrix-js-sdk for video calling fix
+
 Changes in [0.8.5-rc.1](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v0.8.5-rc.1) (2017-01-13)
 =============================================================================================================
 [Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v0.8.4...v0.8.5-rc.1)