Update to Webpack 2

Update to

• webpack 2
• react-hot-loader 3

Update dependencies

• imports-loader
• flow-bin

Update dependencies

• css-loader
• postcss-loader
• eslint

Remove vendor

Remove vendor folder

Use semantic npm modue

Use semantic npm modue

Add flow-typed

add flow-typed as dev dependency

Add Facebook Flow

Refactor with Flowtype

Add yarn support

Add Yarn support

update gitignore

update gitignore

update deps

update dependencies