chore(docs): configure the base path for protractor tests in examples

Updates to dgeni-packages 0.10.5 which supports this configurability.
Change the dgeni config and protractor config so that we can have protractor
tests that are hosted outside the build/docs folder.

Provides support for angular#9557 (comment)

Author: petebacondarwin

docs/config/index.js

@@ -157,6 +157,8 @@ module.exports = new Package('angularjs', [
     jqueryDeployment
   ];
 
+  generateProtractorTestsProcessor.basePath = 'build/docs/';
+
   generateExamplesProcessor.deployments = [
     debugDeployment,
     defaultDeployment,

npm-shrinkwrap.json

@@ -3,7 +3,7 @@
 exports.config = {
   allScriptsTimeout: 11000,
 
-  baseUrl: 'http://localhost:8000/build/docs/',
+  baseUrl: 'http://localhost:8000/',
 
   framework: 'jasmine',