took out not minimized css and js files
reorganize geometry
treeWidget is more general, now called baseWidget
added ProductWidget and improved baseWidget, main App
added category selection and fixed variants for productWidget
save button now prints product info
getBrandChoices now returns a list of tuples like getCategoryChoices
updated brands and categories widget to use generic db functions
getBrandChoices retrieves real brands from db
getCategoryChoices uses db data
small bug fixes
added save to db in productWidget and fixed stuff in dbConnect on the way
connectionWidget opens JSON file by itself, allows connection to seperate services
connection widget connects to S3 bucket, which is passed to product widget during activation
ready to use ImageTk for image previews
made connection widget more pretty
added imageLoader and previewer to productWidget
added Tooltip class for displaying full size images
productWidget uploads images to S3 when saving
handling better gridding and alignment