message: Prepare changelog for v1.0.1
diff: +Changes in [1.0.1](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v1.0.1) (2019-02-15)
  +===================================================================================================
  +[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.0.0...v1.0.1)
  +
  + * Fix community invites crashing the app
  + [\#2650](https://github.com/matrix-org/matrix-react-sdk/pull/2650)
  +
  Changes in [1.0.0](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v1.0.0) (2019-02-14)
  ===================================================================================================
  [Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.0.0-rc.2...v1.0.0)
  