Make the title of blog posts link back to main page.

Signed-off-by: Ben Walker <benjamin.walker@intel.com>

Author: Ben Walker

_includes/page-header.html

@@ -3,8 +3,8 @@
 		<div class="container">
 			<div class="row">
 				<div class="col-lg-12">
-					<div class="page-title">
-						<h1>{{ site.title }}</h1>
+					<div class="page-title-banner">
+						<h1><a class = "page-title" href="{{ site.baseurl }}">{{ site.title }}</a></h1>
 						</ul>
 					</div>
 				</div>

css/spdk.css

@@ -178,14 +178,22 @@ p.copyright {
     background-size: cover;
 }
 
-.page-title {
+.page-title-banner {
     position: relative;
 }
 
-.page-title > h1 {
+.page-title {
     margin: 0;
     text-shadow: 2px 2px 3px rgba(0,0,0,0.6);
-    font-size: 4em;
+    color: #f8f8f8;
+}
+
+a:hover.page-title {
+    text-decoration: none;
+}
+
+a:active.page-title {
+    text-decoration: none;
 }
 
 .post {