message: Prepare changelog for v1.0.2
diff: +Changes in [1.0.2](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v1.0.2) (2019-03-06)
  +===================================================================================================
  +[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.0.2-rc.4...v1.0.2)
  +
  + * Only show hosting link if group admin
  + [\#2755](https://github.com/matrix-org/matrix-react-sdk/pull/2755)
  + * Only show hosting link if domain == matrix.org
  + [\#2754](https://github.com/matrix-org/matrix-react-sdk/pull/2754)
  +
  Changes in [1.0.2-rc.4](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v1.0.2-rc.4) (2019-03-05)
  =============================================================================================================
  [Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.0.2-rc.3...v1.0.2-rc.4)
  