Add RSS and Atom generators

Compress some static files when copy (and not only when generate)
Fix a visual bug with articles table

templates/generate.html

@@ -15,6 +15,7 @@
 {% else %}
 {% autoescape off %}
 {{ report }}
+<br/><br/>
 {% endautoescape %}
 {% endif %}
 {% if articles|length == 0 %}
@@ -23,7 +24,7 @@
 {% else %}
 <table>
 {% for article in articles %}
-    <hr><hl><a href="/article/edit/{{ article.id }}">{{ article.id }}</a></hl><hl>{{ article.title }}</hl><hl>{{ article.category.name }}</hl><hl>{{ article.creation_date }}</hl><hl>{{ article.published }}</hl><hl>{{ article.front_page }}</hl><hl><a href="/article/delete/{{ article.id }}">Delete</a></hl></hr>
+    <tr><td><a href="/article/edit/{{ article.id }}">{{ article.id }}</a></td><td>{{ article.title }}</td><td>{{ article.category.name }}</td><td>{{ article.creation_date }}</td><td>{{ article.published }}</td><td>{{ article.front_page }}</td><td><a href="/article/delete/{{ article.id }}">Delete</a></td></tr>
 {% endfor %}
 {% endif %}
 </table>