refactor(benchmark): simplify writing benchmarks

Adds `benchmarks/benchpress` module and adjusts the compiler
benchmarks to use it. Also adds the Angular 1.3 benchmark
to the compiler benchmarks.

Closes #202

modules/facade/src/dom.es6

@@ -4,6 +4,9 @@ export var NodeList = window.NodeList;
 export var Text = window.Text;
 export var Element = window.HTMLElement;
 export var TemplateElement = window.HTMLTemplateElement;
+export var document = window.document;
+export var location = window.location;
+
 import {List, MapWrapper} from 'facade/collection';
 
 export class DOM {