Fix tag links, add article counts to tag and category pages
diff --git a/templates/categories.html b/templates/categories.html
index 7351088..3f298a4 100644
--- a/templates/categories.html
+++ b/templates/categories.html
@@ -6,7 +6,7 @@
   <div class="article_text">
     <ul>
       {% for category, articles in categories %}
-      <li><a href="{{ SITEURL }}/{{ category.url }}">{{ category }}</a></li>
+      <li><a href="{{ SITEURL }}/{{ category.url }}">{{ category }}</a> ({{ articles|count }})</li>
       {% endfor %}
     </ul>
   </div>
diff --git a/templates/tags.html b/templates/tags.html
index c49ef3b..a93c89a 100644
--- a/templates/tags.html
+++ b/templates/tags.html
@@ -5,8 +5,8 @@
 <article>
   <div class="article_text">
     <ul>
-      {% for tag in tag_cloud %}
-      <li><a href="{{ SITEURL }}/tag/{{ tag.0|string|replace(" ", "-" ) }}.html">{{ tag.0 }}</a></li>
+      {%- for tag, articles in tags|sort %}
+          <li><a href="{{ SITEURL }}/{{ tag.url }}">{{ tag }}</a> ({{ articles|count }})</li>
       {% endfor %}
     </ul>
   </div>