Log Message:
Changes 2.3.19:
- support long layer names in PSD files
- improved EXIF handling in the JPEG file plug-in
- added control for the playback speed in the Animation Playback plug-in
- avoid needless image preview invalidation
- allow to edit the image comment in the Image Properties dialog
- further improved rectangle tools
- made JPEG save parameters user-configurable
- avoid color conversions between identical ICC color profiles
- improved Print plug-in
- improved loading and saving of indexed TGA images
- bug fixes and code cleanup