Update to newest version of Omnitone

[ianpetrarca]

The package.json isn't pulling from the most recent version of Omnitone. (Version 1.05 vs. 1.2.4).

https://www.npmjs.com/package/omnitone/v/1.2.4

[googlebot]

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Once you've signed (or fixed any issues), please reply here (e.g. I signed it!) and we'll verify it.

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[ianpetrarca]

I've signed the Google CLA under my name.

[googlebot]

CLAs look good, thanks!

[brianchirls]

As of today, Omnitone is at 1.2.5, fixing an issue that resonance has inherited.