* Added juniper_iron crate
* Fixed up juniper_rocket crate
* Updated juniper/Cargo.toml
* Updated docs (readme, module docs)
* Export http integrator tests with export-test-schema feature
* Update CI tests (Use cargo-make )
* Format parts of the code base
This split still requires some work as the tests currently fail. This is
caused by the fact that some previously private modules can't be
accessed anymore, and that Rocket changet it's testing framework.