The Gimp 2.4.0 RC3

- use the new format for storing recently used files
- added conversion options to the color profile conversion plug-in
- allow to disable the toolbox menu on all platforms
- further improved handling of the JPEG settings
- switch tabs when hovering over them
- added a PDB function to remove the alpha channel from a layer
- plug-in previews remember the state of the Preview checkbox (bug #478657)
- bug fixes