Summary:Update to latest master version of css-layout. Update integration in RCTShadow(Root)View to match.
This solves the issue with items not strechting vertically in column layouts (https://github.com/facebook/css-layout/issues/127)
Reviewed By: vjeux
Differential Revision: D3120699
fb-gh-sync-id: beba162e1255d3527e1160e9bd414a712cb10713
fbshipit-source-id: beba162e1255d3527e1160e9bd414a712cb10713
Summary:It was hard to understand which parts of the shadowview API are designed to be called only on the root view, and which were applicable to any view.
This diff extracts rootview-specific logic out into a new RCTRootShadowView class.
Reviewed By: majak
Differential Revision: D3063905
fb-gh-sync-id: ef890cddfd7625fbd4bf5454314b441acdb03ac8
shipit-source-id: ef890cddfd7625fbd4bf5454314b441acdb03ac8