[Depsy] Upgrade dependencies

[relekang]

Hi, and thank you for trying out Depsy.

This initial pull request upgrades all your dependency ranges to the latest
available version. From now on any new dependency releases will result in a pull
request to your repository, submitted in real-time.

Make sure that it doesn't break anything, and happy merging!

The upgraded dependencies are:

---

• react-redux to 3.1.0
• classnames to 2.1.5
• style-loader to 0.12.4
• redux to 3.0.2
• css-loader to 0.19.0
• superagent to 1.4.0
• react-router to 1.0.0-rc3
• react-hot-loader to 2.0.0-alpha-4
• postcss-nested to 1.0.0
• stylus-loader to 1.4.0
• history to 1.12.5
• redux-logger to 2.0.3
• stylus to 0.52.4
• redux-form to ^2.2.5
• redux-thunk to 1.0.0
• babel-core to 5.8.25
• babel-eslint to 4.1.3
• webpack-dev-server to 1.12.0
• webpack to 1.12.2