config file spec update

i2p2www/pages/site/docs/spec/configuration.html

 {% extends "global/layout.html" %}
 {% block title %}{% trans %}Configuration File Specification{% endtrans %}{% endblock %}
 {% block lastupdated %}{% trans %}January 2014{% endtrans %}{% endblock %}
-{% block accuratefor %}0.9.9{% endblock %}
+{% block accuratefor %}0.9.10{% endblock %}
 {% block content %}
 <h2>{% trans %}Overview{% endtrans %}</h2>
 <p>{% trans -%}
@@ -26,7 +26,7 @@ with the following exceptions:
 <li>{% trans %}Leading and trailing whitespace is not trimmed on keys{% endtrans %}</li>
 <li>{% trans %}Leading and trailing whitespace is trimmed on values{% endtrans %}</li>
 <li>{% trans %}'=' is the only key-termination character (not ':' or whitespace){% endtrans %}</li>
-<li>{% trans %}Lines without '=' are ignored. It does not store the key with a value of ""{% endtrans %}</li>
+<li>{% trans %}Lines without '=' are ignored. As of release 0.9.10, keys with a value of "" are supported.{% endtrans %}</li>
 <li>{% trans %}As there are no escapes, keys may not contain '#', '=', or '\n', or start with ';'{% endtrans %}</li>
 <li>{% trans %}As there are no escapes, values may not contain '#' or '\n', or start or end with '\r' or whitespace{% endtrans %}</li>
 </ul>