message: adding link to autoplay wiki
diff: -Bugs and feature requests only please.
  +Bugs and feature requests only please. For help questions, check out the [forum](https://groups.google.com/forum/#!forum/tonejs).
  -For help questions, check out the forum: https://groups.google.com/forum/#!forum/tonejs
  +**Note**: Browsers' [Autoplay Policy](https://github.com/Tonejs/Tone.js/wiki/Autoplay) leads to a lot of subtle and inconsistent bugs where Tone.js produces no sound. Check out the link for more information and the solution.
  -If possible, please include a link which illustrates the issue.
  +Please include a way to reproduce your issue
  https://jsfiddle.net/1f60jkq4/ (tone@latest)
  https://jsfiddle.net/z9marxbt/ (tone@next)
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