grim/purple-objects-docbook

updated the title of the conversation hierarchies to be a bit more specific
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id="plugins">
<refmeta>
<refentrytitle>Plugins</refentrytitle>
</refmeta>
<refsect1>
<title>Plugins</title>
<imageobject>
<imagedata fileref="graphs/plugins.png"/>
</imageobject>
<imageobject>
<imagedata fileref="graphs/plugin.png"/>
</imageobject>
<imageobject>
<imagedata fileref="graphs/plugin-info.png"/>
</imageobject>
<imageobject>
<imagedata fileref="graphs/plugin-state.png"/>
</imageobject>
</refsect1>
</refentry>