HOTFIX: Add missing template ref in upgrade section

docs/upgrade.html

@@ -17,6 +17,8 @@
 
 <script><!--#include virtual="js/templateData.js" --></script>
 
+<script id="upgrade-template" type="text/x-handlebars-template">
+
 <h4><a id="upgrade_1_0_0" href="#upgrade_1_0_0">Upgrading from 0.8.x, 0.9.x, 0.10.0.x, 0.10.1.x, 0.10.2.x or 0.11.0.x to 1.0.0</a></h4>
 <p>Kafka 1.0.0 introduces wire protocol changes. By following the recommended rolling upgrade plan below,
     you guarantee no downtime during the upgrade. However, please review the <a href="#upgrade_100_notable">notable changes in 1.0.0</a> before upgrading.
@@ -112,7 +114,7 @@ <h5><a id="upgrade_100_streams" href="#upgrade_100_streams">Upgrading a 1.0.0 Ka
     <li> If you are monitoring on streams metrics, you will need make some changes to the metrics names in your reporting and monitoring code, because the metrics sensor hierarchy was changed. </li>
     <li> There are a few public APIs including <code>ProcessorContext#schedule()</code>, <code>Processor#punctuate()</code> and <code>KStreamBuilder</code>, <code>TopologyBuilder</code> are being deprecated by new APIs.
         We recommend making corresponding code changes, which should be very minor since the new APIs look quite similar, when you upgrade.
-    <li> See <a href="/{{version}}/documentation/streams#streams_api_changes_100">Streams API changes in 1.0.0</a> for more details. </li>
+    <li> See <a href="/{{version}}/documentation/streams/upgrade-guide#streams_api_changes_100">Streams API changes in 1.0.0</a> for more details. </li>
 </ul>
 
 <h4><a id="upgrade_11_0_0" href="#upgrade_11_0_0">Upgrading from 0.8.x, 0.9.x, 0.10.0.x, 0.10.1.x or 0.10.2.x to 0.11.0.0</a></h4>
@@ -160,6 +162,14 @@ <h4><a id="upgrade_11_0_0" href="#upgrade_11_0_0">Upgrading from 0.8.x, 0.9.x, 0
     before you switch to 0.11.0.</li>
 </ol>
 
+<h5><a id="upgrade_1100_streams" href="#upgrade_1100_streams">Upgrading a 0.10.2 Kafka Streams Application</a></h5>
+<ul>
+    <li> Upgrading your Streams application from 0.10.2 to 0.11.0 does not require a broker upgrade.
+        A Kafka Streams 0.11.0 application can connect to 0.11.0, 0.10.2 and 0.10.1 brokers (it is not possible to connect to 0.10.0 brokers though). </li>
+    <li> If you specify customized <code>key.serde</code>, <code>value.serde</code> and <code>timestamp.extractor</code> in configs, it is recommended to use their replaced configure parameter as these configs are deprecated. </li>
+    <li> See <a href="/{{version}}/documentation/streams/upgrade-guide#streams_api_changes_0110">Streams API changes in 0.11.0</a> for more details. </li>
+</ul>
+
 <h5><a id="upgrade_1100_notable" href="#upgrade_1100_notable">Notable changes in 0.11.0.0</a></h5>
 <ul>
     <li>Unclean leader election is now disabled by default. The new default favors durability over availability. Users who wish to
@@ -307,7 +317,7 @@ <h5><a id="upgrade_1020_streams" href="#upgrade_1020_streams">Upgrading a 0.10.1
     <li> You need to recompile your code. Just swapping the Kafka Streams library jar file will not work and will break your application. </li>
     <li> If you use a custom (i.e., user implemented) timestamp extractor, you will need to update this code, because the <code>TimestampExtractor</code> interface was changed. </li>
     <li> If you register custom metrics, you will need to update this code, because the <code>StreamsMetric</code> interface was changed. </li>
-    <li> See <a href="/{{version}}/documentation/streams#streams_api_changes_0102">Streams API changes in 0.10.2</a> for more details. </li>
+    <li> See <a href="/{{version}}/documentation/streams/upgrade-guide#streams_api_changes_0102">Streams API changes in 0.10.2</a> for more details. </li>
 </ul>
 
 <h5><a id="upgrade_10201_notable" href="#upgrade_10201_notable">Notable changes in 0.10.2.1</a></h5>
@@ -386,7 +396,7 @@ <h5><a id="upgrade_10_1_breaking" href="#upgrade_10_1_breaking">Potential breaki
 <h5><a id="upgrade_1010_streams" href="#upgrade_1010_streams">Upgrading a 0.10.0 Kafka Streams Application</a></h5>
 <ul>
     <li> Upgrading your Streams application from 0.10.0 to 0.10.1 does require a <a href="#upgrade_10_1">broker upgrade</a> because a Kafka Streams 0.10.1 application can only connect to 0.10.1 brokers. </li>
-    <li> There are couple of API changes, that are not backward compatible (cf. <a href="/{{version}}/documentation/streams#streams_api_changes_0101">Streams API changes in 0.10.1</a> for more details).
+    <li> There are couple of API changes, that are not backward compatible (cf. <a href="/{{version}}/documentation/streams/upgrade-guide#streams_api_changes_0101">Streams API changes in 0.10.1</a> for more details).
          Thus, you need to update and recompile your code. Just swapping the Kafka Streams library jar file will not work and will break your application. </li>
 </ul>