refactor: rename all const to UPPER_CASE

Closes #3573

BREAKING CHANGE

Rename:
- `appComponentTypeToken` => `APP_COMPONENT`
- `coreDirectives` => `CORE_DIRECTIVES`
- `formDirectives` => `FORM_DIRECTIVES`
- `formInjectables` => `FORM_BINDINGS`
- `httpInjectables` => `HTTP_BINDINGS`
- `jsonpInjectables` => `JSONP_BINDINGS`
- `PROTO_CHANGE_DETECTOR_KEY` => `PROTO_CHANGE_DETECTOR`
- `appComponentRefPromiseToken` => `APP_COMPONENT_REF_PROMISE`
- `appComponentTypeToken` => `APP_COMPONENT`
- `undefinedValue` => `UNDEFINED`
- `formDirectives` => `FORM_DIRECTIVES`
- `DOCUMENT_TOKEN` => `DOCUMENT`
- `APP_ID_TOKEN` => `APP_ID`
- `MAX_IN_MEMORY_ELEMENTS_PER_TEMPLATE_TOKEN` => `MAX_IN_MEMORY_ELEMENTS_PER_TEMPLATE`
- `appBaseHrefToken` => `APP_BASE_HREF`

modules/http/src/backends/xhr_backend.ts

@@ -84,11 +84,10 @@ export class XHRConnection implements Connection {
  * #Example
  *
  * ```
- * import {Http, MyNodeBackend, httpInjectables, BaseRequestOptions} from
- *'angular2/http';
+ * import {Http, MyNodeBackend, HTTP_BINDINGS, BaseRequestOptions} from 'http/http';
  * @Component({
  *   viewBindings: [
- *     httpInjectables,
+ *     HTTP_BINDINGS,
  *     bind(Http).toFactory((backend, options) => {
  *       return new Http(backend, options);
  *     }, [MyNodeBackend, BaseRequestOptions])]

modules/http/src/http.ts

@@ -52,8 +52,8 @@ function mergeOptions(defaultOpts, providedOpts, method, url): RequestOptions {
  * #Example
  *
  * ```
- * import {Http, httpInjectables} from 'angular2/http';
- * @Component({selector: 'http-app', viewBindings: [httpInjectables]})
+ * import {Http, HTTP_BINDINGS} from 'angular2/http';
+ * @Component({selector: 'http-app', viewBindings: [HTTP_BINDINGS]})
  * @View({templateUrl: 'people.html'})
  * class PeopleComponent {
  *   constructor(http: Http) {