message: Prepare changelog for v1.0.5
diff: +Changes in [1.0.5](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v1.0.5) (2019-03-21)
  +===================================================================================================
  +[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.0.4...v1.0.5)
  +
  + * Hotfix: disable typing notifs jumping prevention for now
  + [\#2811](https://github.com/matrix-org/matrix-react-sdk/pull/2811)
  +
  Changes in [1.0.4](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v1.0.4) (2019-03-18)
  ===================================================================================================
  [Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.0.4-rc.1...v1.0.4)
  