Updates the js build
Updates the js build

Summary:
I've updated the js build. Let's see what Travis thinks of it!
Closes https://github.com/facebook/yoga/pull/365

Reviewed By: dshahidehpour

Differential Revision: D4488099

Pulled By: emilsjolander

fbshipit-source-id: d56ee2ccbfec84f766fcfdec9bcc9c5f610a6b0e

rmarinho/yoga,facebook/css-layout,facebook/css-layout,rmarinho/yoga,facebook/css-layout,facebook/css-layout,yihuang/css-layout,facebook/yoga,yihuang/css-layout,yihuang/css-layout,rmarinho/yoga,yihuang/css-layout,facebook/yoga,rmarinho/yoga,facebook/css-layout,yihuang/css-layout,rmarinho/yoga,rmarinho/yoga,rmarinho/yoga,facebook/yoga,facebook/yoga,facebook/yoga,rmarinho/yoga,facebook/css-layout,facebook/yoga,yihuang/css-layout,yihuang/css-layout,facebook/yoga,facebook/yoga,facebook/yoga,rmarinho/yoga,yihuang/css-layout,facebook/yoga,rmarinho/yoga,facebook/css-layout,facebook/css-layout,yihuang/css-layout,facebook/css-layout,yihuang/css-layout