[doc] get back baseviews documentation into the code, enhance it and reorganize the module accordingly
also properly deprecates SecondaryView as it should have been done a while ago.
<div id="ajaxroot">
<div class="ajaxHtmlHead">
<script src="http://foo.js" type="text/javascript"> </script>
<link rel="stylesheet" type="text/css" media="all" href="qunit.css" />
</div>
<h1>Hello</h1>
</div>