r3747: Allow renaming multiple files at once. This opens the Bulk Rename window,
which allows manual editing of the names, as well as regular-expression
based transformations (Thomas Leonard).
Rename buttons in Set Run Action box so that they make sense (Thomas Leonard;
reported by Jonatan Liljedahl).
Bugfix: Filer would crash when the screen was resized if there was no
pinboard (Thomas Leonard).
Bugfix: Xinerama support had broken panel repositioning in response to
XRANDR screen resizing events (Thomas Leonard).