Added dynamic reload-less re-auth to admin panel, so that if a session is lost it can be recovered without a reload. Support for hooking into form submits will be added in the future.

.panel_wrapper {height:85px;}
.panel_wrapper div.current {height:85px;}

/* IE */
* html .panel_wrapper {height:100px;}
* html .panel_wrapper div.current {height:100px;}