Upgrade react-router v4 / react-router-redux / react

[michaelBenin]

No description provided.

[coveralls]

Coverage decreased (-1.7%) to 49.699% when pulling 651d40b on next into 4be81e8 on master.

[codecov-io]

Codecov Report

Merging #35 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #35   +/-   ##
======================================
  Coverage    12.5%   12.5%           
======================================
  Files           1       1           
  Lines           8       8           
======================================
  Hits            1       1           
  Misses          7       7

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