docs(devguide): More Dart edits

public/docs/dart/latest/guide/setup.jade

@@ -1,5 +1,5 @@
 .l-main-section
-  h2#section-install-or-plunker Install Angular or Use Plunker
+  h2#section-install Install Angular
   p There are four steps to create any Angular app:
   ol
     li Create an entry point HTML file where users will start
@@ -20,8 +20,7 @@
       dependencies:
         angular2: 2.0.0-alpha.20
         browser: any
-
-
+    
   p.
     The Dart Editor automatically downloads the packages your app depends on, along with any packages that they, in
     turn, depend on. If this download fails or you like using the command line, you can explicitly install packages.
@@ -73,7 +72,7 @@
         selector: 'my-app'
       )
       @View(
-        template: '<h1>My first Angular 2 App</h1>'
+        template: '&lt;h1&gt;My first Angular 2 App&lt;/h1&gt;'
       )
       class AppComponent {
       }