Port DI implementation from JS to ES6+A

[naomiblack]

See https://github.com/angular/di.js for JS implementation.

[mhevery]

@vsavkin, can you provide an update on this?

[vsavkin]

This is done.

This is a doc on how the ported DI module works: https://github.com/angular/angular/blob/master/modules/di/docs/di.md

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