Move rigboard templates up a level

Also:
- Find and replace panel -> card
- Some base template work
- gulpfile things, added dep on django-gulp

templates/base_rigs.html

@@ -5,10 +5,12 @@
 
 {% block titleelements %}
     {% if user.is_authenticated %}
-        <li><a href="/">Home</a></li>
-        <li class="dropdown">
-            <a href="#" class="dropdown-toggle" data-toggle="dropdown">Rigboard<b class="caret"></b></a>
-            <ul class="dropdown-menu">
+        <a href="/">Home</a>
+            <li class="nav-item dropdown">
+        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+          Rigboard
+        </a>
+        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
                 <li><a href="{% url 'rigboard' %}"><span class="glyphicon glyphicon-list"></span>
                     Rigboard</a></li>
                 <li><a href="{% url 'event_archive' %}"><span class="glyphicon glyphicon-book"></span>
@@ -23,7 +25,7 @@
                     <li><a href="{% url 'event_create' %}"><span class="glyphicon glyphicon-plus"></span>
                         New Event</a></li>
                 {% endif %}
-
+        </div>
             </ul>
         </li>
     {% endif %}
@@ -51,4 +53,4 @@
     {% if perms.RIGS.view_venue %}
         <li><a href="{% url 'venue_list' %}">Venues</a></li>
     {% endif %}
-{% endblock %}
+{% endblock %}