upgrade maven-site-plugin: fix site.xml head/footer (#1910)

diff --git a/website/0.8.0/src/site/site.xml b/website/0.8.0/src/site/site.xml
index 7b39934..bcf0b8a 100644
--- a/website/0.8.0/src/site/site.xml
+++ b/website/0.8.0/src/site/site.xml
@@ -38,7 +38,7 @@
 
   <body>
 
-    <head>
+    <head><![CDATA[
       <script type="text/javascript">
 
         var _gaq = _gaq || [];
@@ -53,7 +53,7 @@
 
       </script>
 
-    </head>
+    ]]></head>
 
     <breadcrumbs position="left">
       <item name="Apache Helix" href="http://helix.apache.org/"/>
@@ -95,12 +95,12 @@
       <item name="Thanks" href="http://www.apache.org/foundation/thanks.html"/>
     </menu>
 -->
-    <footer>
+    <footer><![CDATA[
       <div class="row span16"><div>Apache Helix, Apache, the Apache feather logo, and the Apache Helix project logos are trademarks of The Apache Software Foundation.
         All other marks mentioned may be trademarks or registered trademarks of their respective owners.</div>
         <a href="${project.url}/privacy-policy.html">Privacy Policy</a>
       </div>
-    </footer>
+    ]]></footer>
 
 
   </body>
diff --git a/website/0.8.1/src/site/site.xml b/website/0.8.1/src/site/site.xml
index f58e282..e611568 100644
--- a/website/0.8.1/src/site/site.xml
+++ b/website/0.8.1/src/site/site.xml
@@ -38,7 +38,7 @@
 
   <body>
 
-    <head>
+    <head><![CDATA[
       <script type="text/javascript">
 
         var _gaq = _gaq || [];
@@ -53,7 +53,7 @@
 
       </script>
 
-    </head>
+    ]]></head>
 
     <breadcrumbs position="left">
       <item name="Apache Helix" href="http://helix.apache.org/"/>
@@ -95,12 +95,12 @@
       <item name="Thanks" href="http://www.apache.org/foundation/thanks.html"/>
     </menu>
 -->
-    <footer>
+    <footer><![CDATA[
       <div class="row span16"><div>Apache Helix, Apache, the Apache feather logo, and the Apache Helix project logos are trademarks of The Apache Software Foundation.
         All other marks mentioned may be trademarks or registered trademarks of their respective owners.</div>
         <a href="${project.url}/privacy-policy.html">Privacy Policy</a>
       </div>
-    </footer>
+    ]]></footer>
 
 
   </body>
diff --git a/website/0.8.2/src/site/site.xml b/website/0.8.2/src/site/site.xml
index 216afef..724e55d 100644
--- a/website/0.8.2/src/site/site.xml
+++ b/website/0.8.2/src/site/site.xml
@@ -38,7 +38,7 @@
 
   <body>
 
-    <head>
+    <head><![CDATA[
       <script type="text/javascript">
 
         var _gaq = _gaq || [];
@@ -53,7 +53,7 @@
 
       </script>
 
-    </head>
+    ]]></head>
 
     <breadcrumbs position="left">
       <item name="Apache Helix" href="http://helix.apache.org/"/>
@@ -95,12 +95,12 @@
       <item name="Thanks" href="http://www.apache.org/foundation/thanks.html"/>
     </menu>
 -->
-    <footer>
+    <footer><![CDATA[
       <div class="row span16"><div>Apache Helix, Apache, the Apache feather logo, and the Apache Helix project logos are trademarks of The Apache Software Foundation.
         All other marks mentioned may be trademarks or registered trademarks of their respective owners.</div>
         <a href="${project.url}/privacy-policy.html">Privacy Policy</a>
       </div>
-    </footer>
+    ]]></footer>
 
 
   </body>
diff --git a/website/1.0.2/src/site/site.xml b/website/1.0.2/src/site/site.xml
index 3fa8657..6a6c052 100644
--- a/website/1.0.2/src/site/site.xml
+++ b/website/1.0.2/src/site/site.xml
@@ -38,7 +38,7 @@
 
   <body>
 
-    <head>
+    <head><![CDATA[
       <script type="text/javascript">
 
         var _gaq = _gaq || [];
@@ -52,7 +52,7 @@
         })();
 
       </script>
-    </head>
+    ]]></head>
 
     <breadcrumbs position="left">
       <item name="Apache Helix" href="http://helix.apache.org/"/>
@@ -94,12 +94,12 @@
       <item name="Thanks" href="http://www.apache.org/foundation/thanks.html"/>
     </menu>
 -->
-    <footer>
+    <footer><![CDATA[
       <div class="row span16"><div>Apache Helix, Apache, the Apache feather logo, and the Apache Helix project logos are trademarks of The Apache Software Foundation.
         All other marks mentioned may be trademarks or registered trademarks of their respective owners.</div>
         <a href="${project.url}/privacy-policy.html">Privacy Policy</a>
       </div>
-    </footer>
+    ]]></footer>
 
 
   </body>
diff --git a/website/pom.xml b/website/pom.xml
index 310d268..7cc4906 100644
--- a/website/pom.xml
+++ b/website/pom.xml
@@ -80,23 +80,12 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
-        <version>3.3</version>
         <dependencies>
           <dependency>
             <groupId>lt.velykis.maven.skins</groupId>
             <artifactId>reflow-velocity-tools</artifactId>
             <version>1.0.0</version>
           </dependency>
-          <dependency>
-            <groupId>org.apache.velocity</groupId>
-            <artifactId>velocity</artifactId>
-            <version>1.7</version>
-          </dependency>
-          <dependency>
-            <groupId>org.apache.maven.doxia</groupId>
-            <artifactId>doxia-module-markdown</artifactId>
-            <version>1.3</version>
-          </dependency>
         </dependencies>
       </plugin>
     </plugins>
@@ -105,7 +94,6 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-scm-publish-plugin</artifactId>
-          <version>1.0</version>
           <configuration>
             <tryUpdate>true</tryUpdate>
             <providerImplementations>
diff --git a/website/src/site/site.xml b/website/src/site/site.xml
index 6a23758..38787c8 100644
--- a/website/src/site/site.xml
+++ b/website/src/site/site.xml
@@ -37,7 +37,7 @@
   </skin>
 
   <body>
-    <head>
+    <head><![CDATA[
       <script type="text/javascript">
 
         var _gaq = _gaq || [];
@@ -51,7 +51,7 @@
         })();
 
       </script>
-    </head>
+    ]]></head>
 
     <breadcrumbs position="left">
       <item name="Apache Helix" href="http://helix.apache.org/"/>
@@ -118,12 +118,12 @@
       <item name="Thanks" href="http://www.apache.org/foundation/thanks.html"/>
       <item name="Security" href="http://www.apache.org/security/"/>
     </menu>
-    <footer>
+    <footer><![CDATA[
       <div class="row span16"><div>Apache Helix, Apache, the Apache feather logo, and the Apache Helix project logos are trademarks of The Apache Software Foundation.
         All other marks mentioned may be trademarks or registered trademarks of their respective owners.</div>
         <a href="${project.url}/privacy-policy.html">Privacy Policy</a>
       </div>
-    </footer>
+    ]]></footer>
 
 
   </body>