docs: load angular from CDN only on production

So that when running the docs locally, eg. during e2e testing, we use the latest build version of angular, rather than the stable one from CDN.

This fixes e2e tests running with Testacular.

docs/src/templates/index.html

@@ -22,7 +22,7 @@
           baseUrl = location.href.replace(rUrl, indexFile),
           jQuery = /index-jq[^\.]*\.html$/.test(baseUrl),
           debug = /index[^\.]*-debug\.html$/.test(baseUrl),
-          gae = (baseUrl.split('/').length == 4),
+          production = location.hostname === 'docs.angularjs.org',
           headEl = document.getElementsByTagName('head')[0],
           sync = true,
           angularVersion = {
@@ -45,7 +45,7 @@
       addTag('script', {src: 'docs-keywords.js'}, sync);
 
       function path(name) {
-        if (gae) {
+        if (production) {
           if (name.match(/^angular(-\w+)?\.js/) && !name.match(/bootstrap/)) {
             name =  '//ajax.googleapis.com/ajax/libs/angularjs/' +
                 angularVersion.stable +

testacular-e2e.conf.js

@@ -6,9 +6,11 @@ autoWatch = false;
 singleRun = true;
 logLevel = LOG_INFO;
 logColors = true;
-browsers = ['Chrome']
+browsers = ['Chrome'];
 
 proxies = {
+  // angular.js, angular-resource.js, etc
+  '/angular': 'http://localhost:8000/build/angular',
   '/': 'http://localhost:8000/build/docs/'
 };