message: Prepare changelog for v0.9.0
diff: +Changes in [0.9.0](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v0.9.0) (2017-06-02)
  +===================================================================================================
  +[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v0.9.0-rc.2...v0.9.0)
  +
  + * sync pt with pt_BR
  + [\#1009](https://github.com/matrix-org/matrix-react-sdk/pull/1009)
  + * Update from Weblate.
  + [\#1008](https://github.com/matrix-org/matrix-react-sdk/pull/1008)
  + * Update from Weblate.
  + [\#1003](https://github.com/matrix-org/matrix-react-sdk/pull/1003)
  + * allow hiding redactions, restoring old behaviour
  + [\#1004](https://github.com/matrix-org/matrix-react-sdk/pull/1004)
  + * Add missing translations
  + [\#1005](https://github.com/matrix-org/matrix-react-sdk/pull/1005)
  +
  Changes in [0.9.0-rc.2](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v0.9.0-rc.2) (2017-06-02)
  =============================================================================================================
  [Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v0.9.0-rc.1...v0.9.0-rc.2)
  