message: Prepare changelog for v1.0.6
diff: +Changes in [1.0.6](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v1.0.6) (2019-04-01)
  +===================================================================================================
  +[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.0.6-rc.1...v1.0.6)
  +
  + * Handle storage fallback cases in consistency check
  + [\#2853](https://github.com/matrix-org/matrix-react-sdk/pull/2853)
  + * Set title attribute on images in lightbox
  + [\#2852](https://github.com/matrix-org/matrix-react-sdk/pull/2852)
  + * Download PDFs as blobs to avoid empty grey screens
  + [\#2851](https://github.com/matrix-org/matrix-react-sdk/pull/2851)
  + * Add MemberInfo for 3pid invites and support revoking those invites
  + [\#2850](https://github.com/matrix-org/matrix-react-sdk/pull/2850)
  +
  Changes in [1.0.6-rc.1](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v1.0.6-rc.1) (2019-03-27)
  =============================================================================================================
  [Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.0.5...v1.0.6-rc.1)
  