Use new logo in base template

aleksis/core/templates/core/base.html

@@ -64,7 +64,9 @@
   <ul id="slide-out" class="sidenav sidenav-fixed">
     <li class="logo">
       <a id="logo-container" href="/" class="brand-logo">
-        <img src="{% static 'img/aleksis-logo.png' %}" alt="AlekSIS Logo" style="height: 70px; width:auto;">
+        <object type="image/svg+xml" data="{% static 'img/aleksis-icon.svg' %}" class="aleksis-logo-svg" id="sidenav-logo">
+          <img src="{% static 'img/aleksis-icon.png' %}" alt="AlekSIS icon" />
+        </object>
       </a>
     </li>
     <li class="no-padding">