'Create the plugin and decorate with static and/or template paths and urls.
Plugin bunches are decorated with:
* name : the plugin name
* path : the plugin path
* base_url : a url to the plugin
:type   plugin_path:    string
:param  plugin_path:    relative or absolute filesystem path to the plugin
:rtype:                 ``util.bunch.Bunch``
:returns:               the loaded plugin object'

def load_plugin(self, plugin_path):

    plugin = super(PageServingPluginManager, self).load_plugin(plugin_path)
    plugin['base_url'] = '/'.join([self.base_url, plugin.name])
    plugin = self._set_up_static_plugin(plugin)
    plugin = self._set_up_template_plugin(plugin)
    return plugin
