docs(aio): rename cb- files and a few others

aio/content/examples/styleguide/src/07-01/app/app.component.html

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+<ul>
+  <li *ngFor="let hero of heroes">
+    {{hero.name}}
+  </li>
+</ul>

aio/content/examples/styleguide/src/07-01/app/app.component.ts

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+import { Component, OnInit } from '@angular/core';
+
+import { Hero, HeroService } from './heroes';
+
+@Component({
+  selector: 'sg-app',
+  templateUrl: './app.component.html',
+  providers: [HeroService]
+})
+export class AppComponent implements OnInit {
+  heroes: Hero[];
+
+  constructor(private heroService: HeroService) { }
+
+  ngOnInit() {
+    this.heroService.getHeroes().subscribe(heroes => this.heroes = heroes);
+  }
+}

aio/content/examples/styleguide/src/07-01/app/app.module.ts

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+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { RouterModule } from '@angular/router';
+
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [
+    BrowserModule,
+    RouterModule.forChild([{ path: '07-01', component: AppComponent }])
+  ],
+  declarations: [
+    AppComponent
+  ],
+  exports: [ AppComponent ]
+})
+export class AppModule {}

aio/content/examples/styleguide/src/07-01/app/heroes/index.ts

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+export * from './shared';

aio/content/examples/styleguide/src/07-01/app/heroes/shared/hero.model.ts

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+// #docregion
+export class Hero {
+  id: number;
+  name: string;
+}

aio/content/examples/styleguide/src/07-01/app/heroes/shared/hero.service.ts

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+// #docregion
+import { Injectable } from '@angular/core';
+import { Http, Response } from '@angular/http';
+
+import { Hero } from './hero.model';
+
+@Injectable()
+// #docregion example
+export class HeroService {
+  constructor(private http: Http) { }
+
+  getHeroes() {
+    return this.http.get('api/heroes')
+      .map((response: Response) => <Hero[]>response.json().data);
+  }
+}
+// #enddocregion example

aio/content/examples/styleguide/src/07-01/app/heroes/shared/index.ts

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+export * from './hero.model';
+export * from './hero.service';

aio/content/examples/styleguide/src/07-01/app/index.ts

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+export * from './heroes';
+export * from './app.component';