javascript lib (gallery.reload.js) which defines the functions
gallery_reload() and gallery_location(new_location). They just
do a window.location.reload() and window.location = new_location.
This change breaks the assumption that all themes will handle page reloads
the same and allows the theme to customize the page refresh.
stored in the persistant cache for 30 days. On the admin_maintenance page
there is a new link for completed tasks "browse log". Clicking this will
open a dialog box that has the the contents of the log displayed.
The user can then view the log and close the dialog, or press the save button
to download the log to their local machine.
