Adds the title attribute to tags

tildes/tildes/templates/includes/topic_tags.jinja2

@@ -3,7 +3,7 @@
 
 <ul class="topic-tags">
   {% for tag in topic.tags %}
-    <li class="label label-topic-tag label-topic-tag-{{ tag.replace(' ', '_') }}">
+    <li class="label label-topic-tag label-topic-tag-{{ tag.replace(' ', '_') }}" title="{{ tag }}">
       <a href="/~{{ topic.group.path }}?tag={{ tag.replace(' ', '_') }}">{{ tag }}</a>
     </li>
   {% else %}

tildes/tildes/templates/macros/topics.jinja2

@@ -37,7 +37,7 @@
       {% if topic.tags %}
         <ul class="topic-tags">
           {% for tag in topic.tags %}
-            <li class="label label-topic-tag label-topic-tag-{{ tag.replace(' ', '_') }}">
+            <li class="label label-topic-tag label-topic-tag-{{ tag.replace(' ', '_') }}" title="{{ tag }}">
               {% if request.matched_route.name in ('home', 'group') %}
                 <a href="{{ request.current_listing_normal_url({'tag': tag.replace(' ', '_')}) }}">{{ tag }}</a>
               {% else %}