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';

TOOLS_JS.md

@@ -14,7 +14,7 @@ Ctrl + Shift + j.
 By default the debug tools are disabled. You can enable debug tools as follows:
 
 ```typescript
-import 'angular2/tools';
+import {enableDebugTools} 'angular2/platform/browser';
 
 bootstrap(Application).then((appRef) => {
   enableDebugTools(appRef);