docs(toh): make a few corrections

closes #967

public/docs/_examples/toh-1/ts-snippets/app.component.snippets.pt1.ts

@@ -26,7 +26,7 @@ template:`
   <div><label>id: </label>{{hero.id}}</div>
   <div>
     <label>name: </label>
-    <div><input value="{{hero.name}}" placeholder="name"></div>
+    <input value="{{hero.name}}" placeholder="name">
   </div>
   `
 // #enddocregion editing-Hero

public/docs/_examples/toh-1/ts/app/app.component.ts

@@ -16,7 +16,7 @@ interface Hero {
     <div><label>id: </label>{{hero.id}}</div>
     <div>
       <label>name: </label>
-      <div><input [(ngModel)]="hero.name" placeholder="name"></div>
+      <input [(ngModel)]="hero.name" placeholder="name">
     </div>
     `
 })

public/docs/_examples/toh-4/ts/app/hero.service.ts

@@ -1,9 +1,10 @@
 // #docplaster
 // #docregion
 // #docregion just-get-heroes
+import {Injectable} from 'angular2/core';
+
 import {Hero} from './hero';
 import {HEROES} from './mock-heroes';
-import {Injectable} from 'angular2/core';
 
 @Injectable()
 export class HeroService {

public/docs/_examples/toh-5/ts/app/dashboard.component.html

@@ -2,7 +2,7 @@
 <h3>Top Heroes</h3>
 <div class="grid grid-pad">
 <!-- #docregion click -->
-  <div *ngFor="#hero of heroes" (click)="gotoDetail(hero)" class="col-1-4" >
+  <div *ngFor="#hero of heroes" (click)="gotoDetail(hero)" class="col-1-4">
 <!-- #enddocregion click -->
     <div class="module hero">
       <h4>{{hero.name}}</h4>

public/docs/ts/latest/tutorial/toh-pt4.jade

@@ -34,7 +34,7 @@ include ../_util-fns
       .file hero-detail.component.ts
       .file main.ts
     .file node_modules ...
-    .file typings ...      
+    .file typings ...
     .file index.html
     .file package.json
     .file tsconfig.json
@@ -70,7 +70,7 @@ code-example(format="." language="bash").
 .l-sub-section
   :marked
     We've adopted a convention in which we spell the name of a service in lowercase followed by `.service`.
-    If the service name were multi-word, we'd spell the base filename with lower dash case (AKA kebab-case).
+    If the service name were multi-word, we'd spell the base filename with lower dash case (AKA "kebab-case").
     The `SpecialSuperHeroService` would be defined in the `special-super-hero.service.ts` file.
 :marked
   We name the class `HeroService` and export it for others to import.

public/docs/ts/latest/tutorial/toh-pt5.jade

@@ -411,6 +411,9 @@ code-example(format='').
   We inject the both the `RouteParams` service and the `HeroService` into the constructor as we've done before, 
   making private variables for both:
 +makeExample('toh-5/ts/app/hero-detail.component.ts', 'ctor', 'app/hero-detail.component.ts (constructor)')(format=".")
+:marked
+  We tell the class that we want to implement the `OnInit` interface.
++makeExample('toh-5/ts/app/hero-detail.component.ts', 'implement')(format=".")
 :marked
   Inside the `ngOnInit` lifecycle hook, extract the `id` parameter value from the `RouteParams` service
   and use the `HeroService` to fetch the hero with that `id`.
@@ -679,7 +682,7 @@ figure.image-display
   ## Recap
 
   ### The Road Behind
-  We travelled a great distance in this chapter
+  We travelled a great distance in this chapter.
   - We added the Angular *Component Router* to navigate among different components.
   - We learned how to create router links to represent navigation menu items
   - We used router parameters to navigate to the details of user selected hero