extra polyfills must be included manually, fixes #5795#5814

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Timer merged 2 commits intofacebook:masterfrom ajwann:readme-update-for-polyfills

Nov 16, 2018

+2

Commits on Nov 15, 2018

extra polyfills must be included manually, fixes facebook#5795
ajwann
committed

Commits on Nov 16, 2018

make note italicized
ajwann
committed