Some Jekyll fixes (#2277)

_config.yml

@@ -61,3 +61,6 @@ exclude:
   - vendor/gems/
   - vendor/ruby/
   - eip-template.md
+  - ISSUE_TEMPLATE.md
+  - PULL_REQUEST_TEMPLATE.md
+  - README.md

_includes/eiptable.html

@@ -11,7 +11,7 @@
   {% assign eips = include.eips|where:"status",status|sort:"eip" %}
   {% assign count = eips|size %}
   {% if count > 0 %}
-    <h2>{{status}}</h2>
+    <h2 id="{{status|slugify}}">{{status}}</h2>
     <table class="eiptable">
       <thead>
         <tr><th class="eipnum">Number</th><th class="title">Title</th><th class="author">Author</th></tr>

_layouts/eip.html

@@ -22,6 +22,9 @@ layout: default
       <tr><th>Category</th><td>{{ page.category | xml_escape }}</td></tr>
     {% endif %}
     <tr><th>Created</th><td>{{ page.created | xml_escape }}</td></tr>
+    {% if page.updated != undefined %}
+    <tr><th>Updated</th><td>{{ page.updated | xml_escape }}</td></tr>
+    {% endif %}
     {% if page.requires != undefined %}
       <tr><th>Requires</th><td>{% include eipnums.html eips=page.requires %}</td></tr>
     {% endif %}