message: Prepare changelog for v0.11.2
diff: +Changes in [0.11.2](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v0.11.2) (2017-11-28)
  +=====================================================================================================
  +[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v0.11.1...v0.11.2)
  +
  + * Ignore unrecognised login flows
  + [\#1633](https://github.com/matrix-org/matrix-react-sdk/pull/1633)
  +
  Changes in [0.11.1](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v0.11.1) (2017-11-17)
  =====================================================================================================
  [Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v0.11.0...v0.11.1)
  