message: Add developit/proptypes to allowed module names
diff: *
  */
  -var reactModules = ['react', 'react/addons', 'react-native'];
  +var reactModules = ['react', 'react/addons', 'react-native', 'proptypes'];
  /**
  * Takes a module name (string) and returns true if it refers to a root react
  