more user handling features of flask-security activated

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

app/templates/layout.html

@@ -2,6 +2,7 @@
 	{% if current_user.email %}
 		<li><a href='{{ url_for('create_pit_stop_form') }}'>Create Pitstop</a></li>
 		<li><a href='{{ url_for('get_statistics') }}'>Statistics</a></li>
+		<li><a href='{{ url_for('get_account_page') }}'>Account</a></li>
 		{% if current_user.has_role('admin') %}
 			<li><a href='{{ url_for('get_admin_page') }}'>Admin</a></li>
 		{% endif %}