Core refactor hapi

[nnance]

This PR get a basic working HAPI server into the core refactor branch. It also, includes a change to the runQuery module that allows us to build with es6 enabled but it will run in Node 4 LTS.

I have a project that I use to test using the core-refactor branch from an external project running in Node 4 LTS. If you would like to use it:

1. clone https://github.com/nnance/express-hapi-graphql
2. npm install {directory of your local apollo-server project}
3. npm run build
4. npm run dev:express or dev:hapi