cleanup(tooling): move tooling to the browser platform and rename profile into instrumentation

BREAKING CHANGE

Before

import * as p from 'angular2/profile';
import * as t from 'angular2/tools';

After

import * as p from 'angular2/instrumentation';
import * as t from 'angular2/platform/browser';

modules/angular2/angular2.ts

@@ -1,6 +1,6 @@
 export * from './common';
 export * from './core';
-export * from './profile';
+export * from './instrumentation';
 export * from './platform/browser';
 export * from './src/platform/dom/dom_adapter';
 export * from './upgrade';