add systemjs config extras to all indexes

public/docs/_examples/upgrade-adapter/ts/index-1-to-2-projection.html

@@ -16,6 +16,7 @@
     <script src="node_modules/systemjs/dist/system.src.js"></script>
 
     <script src="systemjs.config.js"></script>
+    <script src="systemjs.config.extras.js"></script>
     <script>
       System.import('app/1-to-2-projection/app.module')
             .then(null, console.error.bind(console));

public/docs/_examples/upgrade-adapter/ts/index-1-to-2-providers.html

@@ -16,6 +16,7 @@
     <script src="node_modules/systemjs/dist/system.src.js"></script>
 
     <script src="systemjs.config.js"></script>
+    <script src="systemjs.config.extras.js"></script>
     <script>
       System.import('app/1-to-2-providers/app.module')
             .then(null, console.error.bind(console));

public/docs/_examples/upgrade-adapter/ts/index-2-to-1-providers.html

@@ -16,6 +16,7 @@
     <script src="node_modules/systemjs/dist/system.src.js"></script>
 
     <script src="systemjs.config.js"></script>
+    <script src="systemjs.config.extras.js"></script>
     <script>
       System.import('app/2-to-1-providers/app.module')
             .then(null, console.error.bind(console));

public/docs/_examples/upgrade-adapter/ts/index-2-to-1-transclusion.html

@@ -16,6 +16,7 @@
     <script src="node_modules/systemjs/dist/system.src.js"></script>
 
     <script src="systemjs.config.js"></script>
+    <script src="systemjs.config.extras.js"></script>
     <script>
       System.import('app/2-to-1-transclusion/app.module')
             .then(null, console.error.bind(console));

public/docs/_examples/upgrade-adapter/ts/index-downgrade-io.html

@@ -16,6 +16,7 @@
     <script src="node_modules/systemjs/dist/system.src.js"></script>
 
     <script src="systemjs.config.js"></script>
+    <script src="systemjs.config.extras.js"></script>
     <script>
       System.import('app/downgrade-io/app.module')
             .then(null, console.error.bind(console));

public/docs/_examples/upgrade-adapter/ts/index-downgrade-static.html

@@ -16,6 +16,7 @@
     <script src="node_modules/systemjs/dist/system.src.js"></script>
 
     <script src="systemjs.config.js"></script>
+    <script src="systemjs.config.extras.js"></script>
     <script>
       System.import('app/downgrade-static/app.module')
             .then(null, console.error.bind(console));

public/docs/_examples/upgrade-adapter/ts/index-upgrade-io.html

@@ -16,6 +16,7 @@
     <script src="node_modules/systemjs/dist/system.src.js"></script>
 
     <script src="systemjs.config.js"></script>
+    <script src="systemjs.config.extras.js"></script>
     <script>
       System.import('app/upgrade-io/app.module')
             .then(null, console.error.bind(console));