Make breadcrumbs nicer looking (#1555)

_includes/breadcrumbs.html

@@ -8,7 +8,8 @@
     {% if forloop.last %}
     <li class="breadcrumb-item active" aria-current="page" itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
       <link href="{% assign crumb_limit = forloop.index | plus: 1 %}{% for crumb in crumbs limit: crumb_limit %}{{ crumb | append: '/' | replace:'without-plugin/','without-plugins/' }}{% endfor %}" itemprop="item"  />
-      <span itemprop="name">{{ crumb | replace:'-',' ' | remove:'.html' | capitalize }}</span>
+      <span itemprop="name">{% if page.breadcrumb %}{{ page.breadcrumb }}{% else %}{% assign words = crumb | replace:'-',' ' | remove:'.html' | split: ' ' %}{% capture titlecase %}{% for word in words %}{{ word | capitalize }} {% endfor %}{% endcapture %}{{ titlecase }}{% endif %}
+      </span>
       <meta itemprop="position" content="{{ forloop.index }}" />
     </li>
     {% else %}