New plugin manager half-implemented. Most of the UI/frontend code is done. Moved sql_parse.php to /includes/ to allow use after installation - TODO: check installer, etc. for breakage

/* CSS file for table dialog in the table plugin */

.panel_wrapper div.current {
	height: 245px;
}

.advfield {
	width: 200px;
}

#class {
	width: 150px;
}