Show site name in navbar

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/html/base.html

@@ -42,7 +42,7 @@
         <span class="icon-bar"></span>
         <span class="icon-bar"></span>
       </button>
-      <a class="navbar-brand" href="{% url 'home' %}">WL</a>
+      <a class="navbar-brand" href="{% url 'home' %}"><img class="avatar" src="{% get_media_prefix %}weblate-128.png" /> {{ site_title }}</a>
     </div>
 
     <!-- Collect the nav links, forms, and other content for toggling -->