Upgrade to React 16.2.0

[IreneIrene]

No description provided.

[codecov-io]

Codecov Report

Merging #23 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #23   +/-   ##
=======================================
  Coverage   95.77%   95.77%           
=======================================
  Files           3        3           
  Lines          71       71           
=======================================
  Hits           68       68           
  Misses          3        3

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[coveralls]

Coverage remained the same at 95.775% when pulling 79daf28 on IreneIrene:react-16.2.0 into 4bae721 on novascreen:master.

[novascreen]

thanks @IreneIrene
released as 1.2.0