Add page titles

This also renames the 'Docs' entry to 'Specification' better matching the page content.

Author: adamvoss

_includes/header.html

@@ -19,7 +19,7 @@
         </label>
 
         <div class="trigger">
-          <a class="page-link" href="{{ "/documentation.html" | relative_url }}">Docs</a>
+          <a class="page-link" href="{{ "/documentation.html" | relative_url }}">Specification</a>
           <a class="page-link" href="{{ "/examples.html" | relative_url }}">Examples</a>
           <a class="page-link" href="{{ "/implementations.html" | relative_url }}">Software</a>
           {% for path in page_paths %}

documentation.md

@@ -1,10 +1,8 @@
 ---
 layout: page
+title: Specification
 ---
 
-Specification
--------------
-
 The latest Internet-Drafts at the IETF are the draft-wright-json-schema\*-01 documents, which correspond to the draft-06 meta-schemas. These were published on 2017-04-15. (Due to a change in authorship the I-D numbering was reset with the previous draft). The specification is split into three parts, Core, Validation, and Hyper-Schema:
 
 |--------------------------------------------------------------|-------------------------------------------------|

example1.md

@@ -1,10 +1,8 @@
 ---
 layout: page
+title: Building a product schema
 ---
 
-Example data
-------------
-
 Let's pretend we're interacting with a JSON based product catalog. This catalog has a product which has an *id*, a *name*, a *price*, and an optional set of *tags*.
 
 ### Example JSON data for a product API

example2.md

@@ -1,10 +1,8 @@
 ---
 layout: page
+title: Building a mount point schema
 ---
 
-Purpose
--------
-
 This example shows a possible JSON representation of a hypothetical machine's mount points as represented in an `/etc/fstab` file.
 
 An entry in the fstab file can have many different forms. Here is a possible representation of a full fstab:

examples.md

@@ -1,10 +1,8 @@
 ---
 layout: page
+title: Examples
 ---
 
-Basic example
--------------
-
 Here is a basic example of a JSON Schema:
 
 ```json