refactor: Rename icon to logo

Author: MichaelCurrin

_includes/flex-sections.html

@@ -19,8 +19,8 @@
         {% if item_crumbs.size == depth and item.name == 'index.md' %}
             <a href="{{ item.url | relative_url }}">
                 <div>
-                    {% if item.icon %}
-                        {% include logo.html name=item.icon %}
+                    {% if item.logo %}
+                        {% include logo.html name=item.logo %}
                     {% endif %}
                     <span>{{ item.title }}</span>
                 </div>

_layouts/listing.html

@@ -6,8 +6,8 @@
 
     <header class="post-header">
         <h1 class="post-title">
-            {% if page.icon %}
-                {% include logo.html name=page.icon _size='medium' %}
+            {% if page.logo %}
+                {% include logo.html name=page.logo _size='medium' %}
             {% endif %}
             <span>{{ page.title | escape }}</span>
         </h1>

_layouts/page.html

@@ -6,8 +6,8 @@
 <article class="post">
     <header class="post-header">
         <h1 class="post-title">
-            {% if page.icon %}
-                {% include logo.html name=page.icon _size='medium' %}
+            {% if page.logo %}
+                {% include logo.html name=page.logo _size='medium' %}
             {% endif %}
             <span>{{ page.title | escape }}</span>
         </h1>