v0.9.0-rc.2

Full Changelog

• Update from Weblate.
  #1002
• webrtc config electron
  #850
• enable useCompactLayout user setting an add a class when it's enabled
  #986
• Update from Weblate.
  #987
• Translation fixes for everything but src/components
  #990
• Fix tests
  #1001
• Fix tests for PR #989
  #999
• Revert "Revert "add labels to language picker""
  #1000
• maybe fixxy [Electron] external thing?
  #997
• travisci: Don't run the riot-web tests if the react-sdk tests fail
  #992
• Support 12hr time on DateSeparator
  #991
• Revert "add labels to language picker"
  #994
• Call MatrixClient.clearStores on logout
  #983
• Matthew/room avatar event
  #988
• add labels to language picker
  #989
• Update from Weblate.
  #981