On removal of Conditions and Processes, also delete their VersionedAttributes.

[plomtask] / templates / processes.html

{% extends 'base.html' %}

{% block content %}
<a href="process">add</a>
<ul>
{% for process in processes %}
<li><a href="process?id={{process.id_}}">{{process.title.newest}}</a>
{% endfor %}
</ul>
{% endblock %}