Fix #172 (#173)
Fix #172 (#173)

This rollsback the bump up to react-router v3, which messed up lazy-loading on the client. More investigation needed.
jaredpalmer/razzle,jaredpalmer/razzle,AndrewGibson27/react-scoreboard,08martinm/Personal-Site,amitpaperg/roadmap-planner,jaredpalmer/react-production-starter,BlackMuttMedia/filmbreakdown.com,maxruby/stayfriends_test