feat(offline compiler): a replacement for tsc that compiles templates

see #7483.

tools/compiler_cli/test/src/basic.ts

@@ -0,0 +1,14 @@
+import {Component, Injectable} from 'angular2/core';
+import {FORM_DIRECTIVES} from 'angular2/common';
+import {MyComp} from './a/multiple_components';
+
+@Component({
+  selector: 'basic',
+  templateUrl: './basic.html',
+  directives: [MyComp, FORM_DIRECTIVES],
+})
+@Injectable()
+export class Basic {
+  ctxProp: string;
+  constructor() { this.ctxProp = 'initial value'; }
+}