'Creates the view for the left-hand side list of the dialog.
It uses an instance of the plugin manager to get a list
of all available plugins'

@scrollable(width=300)
def createPluginListView(self, plugin_info):

    plugin_list_view = Gtk.TreeView(plugin_info)
    renderer = Gtk.CellRendererText()
    column = Gtk.TreeViewColumn('Title', renderer, text=2)
    column.set_sort_column_id(1)
    plugin_list_view.append_column(column)
    selection = plugin_list_view.get_selection()
    selection.connect('changed', self.on_plugin_selection)
    return plugin_list_view
