Add new layouts for use in help/ pages

help layout for use with normal help pages - adds title using page.topic
value.

help-error layout for use with pages with help/ URLs that are not
supposed to be indexed or accessed directly.

Author: delphidabbler

_layouts/help-error.html

@@ -0,0 +1,18 @@
+---
+layout: default
+---
+<!-- BEGIN help page content -->
+
+<header>
+	<h1 roll="heading" class="text-danger">
+        Error
+    </h1>
+</header>
+
+<p class="alert alert-danger lead">
+    <i class="fa fa-ban text-danger"></i> You shouldn't have got here!
+</p>
+
+{{ content }}
+
+<!-- END help page content -->

_layouts/help.html

@@ -0,0 +1,14 @@
+---
+layout: default
+---
+<!-- BEGIN help page content -->
+
+<header>
+	<h1 roll="heading">
+        {{ page.topic | escape }}
+    </h1>
+</header>
+
+{{ content }}
+
+<!-- END help page content -->