fix(Global && src/facade && Protractor): Allows List to be imported.

Allows the List type to be imported from 'angular2/src/facade/collection'

protractor-shared.js

@@ -1,5 +1,6 @@
 // load traceur runtime as our tests are written in es6
 require('traceur/bin/traceur-runtime.js');
+require('reflect-metadata');
 var fs = require('fs-extra');
 
 var argv = require('yargs')
@@ -250,4 +251,4 @@ function mergeInto(src, target) {
     target[prop] = src[prop];
   }
   return target;
- }
+ }