Explore possibilities of using DI

[lukas-vlcek]

There are some options to look at for inspiration:

• Dependency Injection in Closure - IoC with Loader
• Dependency Injection in Javascript
• Closure Dicontainer

Angular 2 DI documents and discussions:

• Annotations are not part of ES6 (see the discussion)
• ES6 +A Q&A (more detailed explanation of the situation from Google)
• Angular DI v2 (design doc)

Closure Compiler pass for Angular apps:

• AngularPass.java, and use --angular_pass compiler option to handle @ngInject JSDoc