Move rigboard templates up a level

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

RIGS/templates/invoice_list_archive.html

@@ -0,0 +1,24 @@
+{% extends 'RIGS/invoice_list.html' %}
+
+{% block title %}
+Invoice Archive
+{% endblock %}
+
+{% block heading %}
+All Invoices
+{% endblock %}
+
+{% block description %}
+<p>This page displays all invoices: outstanding, paid, and void</p>
+{% endblock %}
+
+{% block search %}
+	<div class="col-sm-3 col-sm-offset-9">
+		<form class="form form-horizontal col-sm-12">
+		    <div class="form-group">
+		        <input type="search" name="q" placeholder="Search" value="{{ request.GET.q }}"
+		               class="form-control"/>
+		    </div>
+		</form>
+	</div>
+{% endblock %}