docs(core): Myriad of documentation changes including lots of new example code.

modules/angular2/examples/core/ts/bootstrap/bootstrap.ts

@@ -0,0 +1,13 @@
+import {Component} from 'angular2/core';
+import {bootstrap} from 'angular2/platform/browser';
+
+// #docregion bootstrap
+@Component({selector: 'my-app', template: 'Hello {{ name }}!'})
+class MyApp {
+  name: string = 'World';
+}
+
+function main() {
+  return bootstrap(MyApp);
+}
+// #enddocregion