Update to React 16, handle React.Fragment better#5816

Merged

cpojer merged 6 commits intojestjs:masterfrom rickhanlonii:bug/fix-react-fragments

Mar 18, 2018

+216-367

Commits on Mar 16, 2018

Commits on Mar 17, 2018

Commits on Mar 18, 2018

Convert to class component
rickhanlonii
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