Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.

.panel_wrapper div.current {
	height: 290px;
}

#id, #style, #title, #dir, #hreflang, #lang, #classlist, #tabindex, #accesskey {
	width: 200px;
}

#events_panel input {
	width: 200px;
}