Usd debug NPM package as the underlying engine

[huan]

And try to use debug to replace brolog in future developments.

It has excellent features like:

1. flexible DEBUG environment variable, with wildcard (*) support, as well as a subtract operator -
2. browser supported

One of the most important things we need to do is to confirm that it can be Dependence Injection with Angular (see: https://github.com/huan/brolog-angular-demo).

Roadmap

To-be-determined