Added exceptional design challenges:

Architecture Challenge	Buildings Challenge	Hitech Challenge
User Interface Challenge	Organize Challenge	Products Challenge
Tableware Challenge	Pet Supplies Challenge	Watch Challenge
Prosumer Products Challenge	Energy Products Challenge	Designprize Challenge
Superior Product Challenge	Innovative Challenge	Logo Challenge
Student Challenge	Students' Challenge	Fashion Challenge
Creativity Challenge	Ready-Made Challenge	Achievements Challenge
Clothing Challenge	Strategy Challenge	Excellence Challenge
Italian Challenge	Design Collage Challenge	Greatest Designers Challenge
Masters' Challenge	Badges Challenge	Design Olympics Challenge
Choice of Security Challenge	Portfolio Challenge	Designprix Challenge
Financial Products Challenge	Architecture Projects Challenge	Watch Challenge
Conferences Challenge	Safety Clothing Challenge	Brown Goods Challenge
Dictionary Challenge	Dictionary Challenge	WorldsBest Challenge
Design Proposals Challenge	Design Submissions Challenge	News Challenge