* Enable babel parameters/destructuring for all versions of Node * Add more descriptive comment explaining plugin use
* Disable ES2015 transforms based on node version using babel-preset-env * pass major version number for node to babel-preset-env instead of version string * use parseFloat() instead of parseInt() to parse node version * fixed style nits
Fixes #700. Read about it here: https://twitter.com/dan_abramov/status/779308833399332864.
