don't assume all styles are in the static directory

this is to make room for a second, instance-configured spot for them

incorporealcms/templates/base.html

@@ -7,7 +7,7 @@
 <meta property="og:url" content="{{ base_url }}">
 <meta name="twitter:card" content="summary_large_image">
 <meta name="viewport" content="width=device-width, initial-scale=1">
-<link rel="stylesheet" href="{{ url_for('static', filename=user_style) }}">
+<link rel="stylesheet" href="{{ user_style }}">
 <link rel="icon" href="{% if config.FAVICON %}{{ config.FAVICON }}{% else %}{{ url_for('static', filename='img/favicon.png') }}{% endif %}">
 
 <div {% block site_class %}class="site-wrap site-wrap-normal-width"{% endblock %}>