Update site.xml namespace to 1.8.0
diff --git a/doxia-tools/src/site-docs/site.xml b/doxia-tools/src/site-docs/site.xml
index f5fa902..fd48854 100644
--- a/doxia-tools/src/site-docs/site.xml
+++ b/doxia-tools/src/site-docs/site.xml
@@ -19,8 +19,9 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 http://maven.apache.org/xsd/decoration-1.7.0.xsd">
+<project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <body>
     <breadcrumbs>
       <item name="Maven" href="https://maven.apache.org/pom/maven/index.html" />
diff --git a/doxia-tools/src/site/site.xml b/doxia-tools/src/site/site.xml
index 9d6342a..9f08a35 100644
--- a/doxia-tools/src/site/site.xml
+++ b/doxia-tools/src/site/site.xml
@@ -19,8 +19,9 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 http://maven.apache.org/xsd/decoration-1.7.0.xsd">
+<project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <bannerRight>
     <name>Doxia</name>
     <src>images/doxia-logo.png</src>
diff --git a/maven-archetype-bundles/src/site-docs/site.xml b/maven-archetype-bundles/src/site-docs/site.xml
index 37d24b7..87011e0 100644
--- a/maven-archetype-bundles/src/site-docs/site.xml
+++ b/maven-archetype-bundles/src/site-docs/site.xml
@@ -19,8 +19,9 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 http://maven.apache.org/xsd/decoration-1.7.0.xsd">
+<project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <body>
     <breadcrumbs>
       <item name="Maven" href="https://maven.apache.org/pom/maven/index.html" />
diff --git a/maven-plugins/src/site-docs/site.xml b/maven-plugins/src/site-docs/site.xml
index 8fb573b..a7c5bba 100644
--- a/maven-plugins/src/site-docs/site.xml
+++ b/maven-plugins/src/site-docs/site.xml
@@ -19,8 +19,9 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 http://maven.apache.org/xsd/decoration-1.7.0.xsd">
+<project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <body>
     <breadcrumbs>
       <item name="Maven" href="https://maven.apache.org/pom/maven/index.html" />
diff --git a/maven-plugins/src/site/site.xml b/maven-plugins/src/site/site.xml
index e3390cf..e5de7e3 100644
--- a/maven-plugins/src/site/site.xml
+++ b/maven-plugins/src/site/site.xml
@@ -19,8 +19,9 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 http://maven.apache.org/xsd/decoration-1.7.0.xsd">
+<project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <body>
     <breadcrumbs>
       <item name="Plugins" href="https://maven.apache.org/plugins/index.html" />
diff --git a/maven-shared-components/src/site-docs/site.xml b/maven-shared-components/src/site-docs/site.xml
index f02aa61..77e84ae 100644
--- a/maven-shared-components/src/site-docs/site.xml
+++ b/maven-shared-components/src/site-docs/site.xml
@@ -19,8 +19,9 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 http://maven.apache.org/xsd/decoration-1.7.0.xsd">
+<project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <body>
     <breadcrumbs>
       <item name="Maven" href="https://maven.apache.org/pom/maven/index.html" />
diff --git a/maven-shared-components/src/site/site.xml b/maven-shared-components/src/site/site.xml
index ea5de80..1048cd4 100644
--- a/maven-shared-components/src/site/site.xml
+++ b/maven-shared-components/src/site/site.xml
@@ -19,8 +19,9 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 http://maven.apache.org/xsd/decoration-1.7.0.xsd">
+<project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <body>
     <breadcrumbs>
       <item name="Shared Components" href="https://maven.apache.org/shared/index.html" />
diff --git a/maven-skins/src/site-docs/site.xml b/maven-skins/src/site-docs/site.xml
index 6941454..e050269 100644
--- a/maven-skins/src/site-docs/site.xml
+++ b/maven-skins/src/site-docs/site.xml
@@ -19,8 +19,9 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 http://maven.apache.org/xsd/decoration-1.7.0.xsd">
+<project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <body>
     <breadcrumbs>
       <item name="Maven" href="https://maven.apache.org/pom/maven/index.html" />
diff --git a/maven-skins/src/site/site.xml b/maven-skins/src/site/site.xml
index a077649..8ae6121 100644
--- a/maven-skins/src/site/site.xml
+++ b/maven-skins/src/site/site.xml
@@ -19,8 +19,9 @@
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.7.0 http://maven.apache.org/xsd/decoration-1.7.0.xsd">
+<project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <body>
     <breadcrumbs>
       <item name="Skins" href="https://maven.apache.org/skins/index.html" />
diff --git a/src/site-docs/site.xml b/src/site-docs/site.xml
index fc51540..e9cf3cb 100644
--- a/src/site-docs/site.xml
+++ b/src/site-docs/site.xml
@@ -20,7 +20,8 @@
 -->
 
 <project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+   xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
 <!-- Start copy/paste of src/site/site.xml: inheritance does not work here because of src/site-docs hack -->
   <bannerLeft>
     <name>${project.name}</name>
diff --git a/src/site/site.xml b/src/site/site.xml
index f98d54e..f3dc837 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -21,6 +21,7 @@
 
 <project xmlns="http://maven.apache.org/DECORATION/1.8.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.0 http://maven.apache.org/xsd/decoration-1.8.0.xsd">
+
   <bannerLeft>
     <name>${project.name}</name>
     <src>https://maven.apache.org/images/apache-maven-project.png</src>