docs: add meta data based on schema.org

Change-Id: Icacc1efc85b316278005121d049ec4476b6a0b24
diff --git a/res/assets/templates/class.cs b/res/assets/templates/class.cs
index bbabe24..e8cdafd 100644
--- a/res/assets/templates/class.cs
+++ b/res/assets/templates/class.cs
@@ -2,7 +2,7 @@
 <?cs include:"macros.cs" ?>
 <html>
 <?cs include:"head_tag.cs" ?>
-<body class="<?cs var:class.since ?>">
+<body class="<?cs var:class.since ?>" itemscope itemtype="http://schema.org/Article">
 <?cs include:"header.cs" ?>
 
 <div class="g-unit" id="doc-content">
@@ -98,7 +98,7 @@
     <?cs var:class.final ?> 
     <?cs var:class.abstract ?>
     <?cs var:class.kind ?>
-<h1><?cs var:class.name ?></h1>
+<h1 itemprop="name"><?cs var:class.name ?></h1>
 
 <?cs set:colspan = subcount(class.inheritance) ?>
 <?cs each:supr = class.inheritance ?>
@@ -157,7 +157,7 @@
 <?cs call:deprecated_warning(class) ?>
 <?cs if:subcount(class.descr) ?>
 <h2>Class Overview</h2>
-<p><?cs call:tag_list(class.descr) ?></p>
+<p itemprop="articleBody"><?cs call:tag_list(class.descr) ?></p>
 <?cs /if ?>
 
 <?cs call:see_also_tags(class.seeAlso) ?>
diff --git a/res/assets/templates/docpage.cs b/res/assets/templates/docpage.cs
index 9d85c6f..25b5ddb 100644
--- a/res/assets/templates/docpage.cs
+++ b/res/assets/templates/docpage.cs
@@ -2,24 +2,24 @@
 <?cs include:"macros.cs" ?>
 <html>
 <?cs include:"head_tag.cs" ?>
-<body class="gc-documentation">
+<body class="gc-documentation" itemscope itemtype="http://schema.org/Article">
 <?cs include:"header.cs" ?>
 
 <div class="g-unit" id="doc-content"><a name="top"></a>
 
 <div id="jd-header" class="guide-header">
-  <span class="crumb">
+  <span class="crumb" itemprop="breadcrumb">
     <?cs if:parent.link ?>
       <a href="<?cs var:parent.link ?>"><?cs var:parent.title ?></a> >
     <?cs else ?>&nbsp;
     <?cs /if ?>
   </span>
-<h1><?cs var:page.title ?></h1>
+<h1 itemprop="name"><?cs var:page.title ?></h1>
 </div>
 
   <div id="jd-content">
 
-    <div class="jd-descr">
+    <div class="jd-descr" itemprop="articleBody">
     <?cs call:tag_list(root.descr) ?>
     </div>