Add link to administration to toolbar

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

weblate/html/base.html

@@ -94,6 +94,9 @@
       <ul class="nav navbar-nav navbar-right flip">
         {% if user.is_authenticated %}
         <li><a class="button" id="profile-button" href="{% url 'profile' %}" title="{% trans "Your profile" %}">{{ user.profile.get_user_display }}</a></li>
+        {% if user.is_staff %}
+        <li><a class="button" id="admin-button" href="{% url 'admin:index' %}" title="{% trans "Administration" %}"><i class="fa fa-wrench"></i></a></li>
+        {% endif %}
         <li><a class="button" id="logout-button" href="{% url 'logout' %}" title="{% trans "Logout" %}"><i class="fa fa-sign-out"></i></a></li>
         {% else %}
         {% if registration_open %}