Tweak impl template

Author: fingolfin

_includes/impl.md

@@ -3,14 +3,15 @@
 * Homepage: [{{ page.impl.homepage }}]({{ page.impl.homepage }})
 * Latest release: {{ page.impl.latest-release.version }} ({{ page.impl.latest-release.date }})
 * Client: {{ page.impl.client }}
-* Server: {{ page.impl.client }}
-
-## Supported protocols
+* Server: {{ page.impl.server }}
+{% if page.impl.remarks %}
+### Remarks
+{{ page.impl.remarks }}
+{% endif %}
+### Supported protocols
 
 {% for proto_class in site.data.proto_classes %}
 {% assign proto_class_id = proto_class[0] %}
-### {{ proto_class[1] }}
-  {% for x in page.impl.protocols[proto_class_id] %}
-  * {{ x }}
-  {% endfor %}
+#### {{ proto_class[1] }}
+  {% for x in page.impl.protocols[proto_class_id] %}{{ x }},  {% endfor %}
 {% endfor %}