more user handling features of flask-security activated

Now users can recover their passwords and change them while
logged in.

app/templates/account.html

@@ -0,0 +1,7 @@
+{% extends "layout.html" %}
+
+{% block body %}
+	<h1>Account management for {{current_user.email}}</h1>
+
+	<a href='{{ url_for('security.change_password') }}'>Change password</a>
+{% endblock %}