Petr Glotov e07fe0cc60 render empty section headers
Summary:Changed behavior so that empty section headers are rendered, fixes this [issue](https://github.com/facebook/react-native/issues/5639).
Closes https://github.com/facebook/react-native/pull/5713

Differential Revision: D3053765

Pulled By: sahrens

fb-gh-sync-id: 59a78a4b19288b2acc04a7b166de8c2ad16eacd7
shipit-source-id: 59a78a4b19288b2acc04a7b166de8c2ad16eacd7
2016-03-15 12:14:28 -07:00
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2016-03-15 12:14:28 -07:00
2015-07-24 13:16:25 -08:00