Format/layout fixes for catalogue, and update and purchase scripts.
 - Catalogue.html: layout changes
 - UpdateCatalogue.py: integrated Catalogue.html changes.
 - KaiPurchase.py: Fixed message format in refreshWith()
Merge branch 'KaiSide' of https://github.com/kai-ye/C206H4 into KaiSide

Conflicts:
	CSV/Inventory.csv
	Catalogue.html
	cgi-bin/KaiPurchase.py