Summary: React 16 is not compatible with react-emotion 9 (it prints warnings, see also https://github.com/emotion-js/emotion/issues/644). So we should upgrade to 10.
Reviewed By: mweststrate
Differential Revision: D18905889
fbshipit-source-id: c00d2dbbadb1c08544632cb9bfcd63f2b1818a25
Summary: Update according to changes in D15200794
Reviewed By: jknoxville
Differential Revision: D15200901
fbshipit-source-id: ef0e0895f30d6eb98536c9a7df7a0d46bb4af8d2