fix(build): switch to cjs output for es5.

System output does not work at the current versions of TS and
system.js. Will revisit after upgrading TS.

Removes unused traceur tooling.

Closes #3974

modules/angular2/test/compiler/eval_module.ts

@@ -16,7 +16,12 @@ export function evalModule(moduleSource: string, moduleImports: string[][], args
     var modName = sourceImport[0];
     var modAlias = sourceImport[1];
     importModuleNames.push(modName);
-    moduleSourceWithImports.push(`var ${modAlias} = require('${modName}');`);
+    // Note: After transpilation to commonJS and loading this file in a browser
+    // using SystemJS, the loader might get confused by the presence of require,
+    // and attempt to load "+ modName +.js" !?!
+    // A simple string concat manages to prevent that, but that is one compiler
+    // optimaztion away from breaking again. Proceed with caution!
+    moduleSourceWithImports.push(`var ${modAlias} = require` + `('${modName}');`);
   });
   moduleSourceWithImports.push(moduleSource);
 

modules/angular2_material/src/components/input/input.ts

@@ -93,26 +93,3 @@ export class MdInput {
     ObservableWrapper.callNext(this.mdFocusChange, hasFocus);
   }
 }
-
-/*
-@Directive({
-  selector: 'md-input-container textarea',
-  events: ['mdChange', 'mdFocusChange'],
-  hostProperties: {
-    'yes': 'class.md-input'
-  },
-  hostListeners: {
-    'input': 'updateValue($event)',
-    'focus': 'setHasFocus(true)',
-    'blur': 'setHasFocus(false)'
-  }
-})
-export class MdTextarea extends MdInput {
-  constructor(
-      @Attribute('value') value: string,
-      @SkipSelf() @Host() container: MdInputContainer,
-      @Attribute('id') id: string) {
-    super(value, container, id);
-  }
-}
-*/

modules/benchmarks_external/src/tree/react/index.ts

@@ -1,6 +1,6 @@
 // tree benchmark in React
 import {getIntParameter, bindAction} from 'angular2/src/test_lib/benchmark_util';
-import React from './react.min';
+import * as React from './react.min';
 
 var TreeComponent = React.createClass({
   displayName: 'TreeComponent',

modules/benchmarks_external/src/tree/react/react.min.d.ts

@@ -1,2 +1,2 @@
-declare var React: any;
-export default React;
+export var createElement: Function;
+export var render: Function;

modules/examples/e2e_test/sourcemap/sourcemap_spec.ts

@@ -34,15 +34,10 @@ describe('sourcemaps', function() {
 
       var originalPosition = decoder.originalPositionFor({line: errorLine, column: errorColumn});
 
-      var finalMapData = fs.readFileSync('dist/js/prod/es6/examples/src/sourcemap/index.js.map');
-      var finalDecoder = new sourceMap.SourceMapConsumer(JSON.parse(finalMapData));
-
-      var finalPosition = finalDecoder.originalPositionFor(originalPosition);
-
       var sourceCodeLines =
           fs.readFileSync('modules/examples/src/sourcemap/index.ts', {encoding: 'UTF-8'})
               .split('\n');
-      expect(sourceCodeLines[finalPosition.line - 1])
+      expect(sourceCodeLines[originalPosition.line - 1])
           .toMatch(/throw new BaseException\(\'Sourcemap test\'\)/);
     });
   });