Removes React.PropTypes and attempts to transform to Flow.

Modified for compatability with Oscar style.

Setup & Run

• npm install -g [email protected] (matches package.json in data/)
• git clone https://github.com/johnmanong/codemod-proptypes-to-flow
• jscodeshift -t codemod-proptypes-to-flow/src/index.js --extensions js,jsx <path>