Minor improvements to roles page
Mainly not hard-coding the page name and showing all requests
that are _accepted_, instead of the one's that aren't yet.
.panel_wrapper div.current {
height: 290px;
}
#id, #style, #title, #dir, #hreflang, #lang, #classlist, #tabindex, #accesskey {
width: 200px;
}
#events_panel input {
width: 200px;
}