fixed FileIO exception when attempting to cleanup audio files

attempts to cleanup files when closing the project
Merge branch 'danieldev'
minor refactoring and renaming of files
minor refactoring
renamed function to be more descriptive
Only set Description Text if space text not empty
Add Text to reflect button state change
Don't show splash screen in Debug mode
Fix URI sanitizing spaces in relative paths

Any old descriptions affected by this issue should be deleted.
Move files into appropriate folders
Merge branch 'valdev'