v0.7.5-rc.1

Full Changelog

• Support for blacklisting unverified devices, both per-room and globally
  #336
• track errors when events can't be sent
  #349
• Factor out device list management
  #346
• Support for warning users when unknown devices show up
  #335
• Enable sourcemaps in browserified distro
  #345
• Record all e2e room settings in localstorage
  #344
• Make Olm work with browserified js-sdk
  #340
• Make browserify a dev dependency
  #339
• Allow single line brace-style
  #338
• Turn on comma-dangle for function calls
  #333
• Add prefer-const
  #331
• Support for importing and exporting megolm sessions
  #326
• Fix linting on all tests
  #329
• Fix ESLint warnings and errors
  #325
• BREAKING CHANGE: Remove WebStorageStore
  #324