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add json validator and Travis CI file
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remove duplicate file
fix stuff
remove duplicate file
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Update audio-api.json

Added Link to http://www.doboism.com/projects/webaudio-compatibility/
    for additional compatibility tests.
Added https://github.com/g200kg/WAAPISim polyfill
Added tutorial for Flexbox
Workaround for className on SVG elements on WebKit.

See this commit for details:
https://github.com/denilsonsa/classList.js/commit/87e93c2178563d840554a42113dedafb567df838
Added an issue about WebKit not supporting classList in SVG

See https://github.com/eligrey/classList.js/pull/12 for details.
Update webp.json
object-fit is only supported in Opera starting version 19
Merge pull request #350 from rasmusbe/patch-1

Added tutorial for Flexbox
Merge pull request #352 from denilsonsa/patch-1

Workaround for className on SVG elements on WebKit.
Merge pull request #354 from MayhemYDG/patch-1

Update webp.json
Merge pull request #355 from MayhemYDG/patch-2

object-fit is only supported in Opera starting version 19
data update
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