fix(NgComponent): attach method was called earlier rathe then later.

Fixing wrong fix: 88a22689b6948d6e6bc676932e5245d2256a7848
fix(doc): Using a consistent name for the library
chore(mirrors): Reduce use of dart:mirrors.
chore(parser): Enable parser tests using the generated hybrid parser.
feat(change-detection): Initial implementation of new change-detection algorithm.

The classes are not yet hooked up to angular scopes yet, so so far this is a stand alone code.
chore(analyzer): clean up analyzer warnings
chore(env.sh): Use DART_SDK env var when available
refactor(selector): remove dead code
chore(style): code style cleanup
chore(docs): update CONTRIBUTING.md from Angular.JS
Adding some missing @MirrorsUsed targets.

In updating the angular.dart.tutorial (https://github.com/angular/angular.dart.tutorial), these Angular targets appeared to be missing.