Release Candidate 5

Fix hot reloading issues #21
Upgrade some deps

Release Candidate 4

• Modify production webpack config so that react builds in production mode #20
• Return a 404 status code when page isn't found #19
• Don't wrap routes in a path="/" and change IndexRoute to a normal route so that react-router Link activeClassName works properly

Release Candidate 3

• Configure store once instead of in handleRoute() and handle404() #16
• Update to webpack 2
• Update to react v15

Release Candidate 2

Minor package upgrades, bug fixes, and code tidying.