Integrate guf-show-demo/fix_slides
Commit: seco-ne/tools/guf-show-demo@94efcc7d
system:info: Added optional loading of system information from file
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Commit: seco-ne/tools/guf-show-demo@e314d577
settings:fullscreen: Added fullscreen to settings
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Commit: seco-ne/tools/guf-show-demo@3390c338
demo:slideshow: Reverted changes for custom media path
The loading of the images from the custom media path doesn't work properly at the moment. Reverted the changes for now.