Reviewed carpet npcs (They are working like Global now)

• All carpet npcs are working like Global now
• NOTE: To travel to Farmine using the carpets you must complete The New Frontier quest, mission 10 (New Horizons)
• Fixed Gewen's wagon system
• Cleanup 


Changes based on: 
http://tibia.wikia.com/wiki/The_New_Frontier_Quest
http://tibia.wikia.com/wiki/Magic_Carpet
http://tibia.wikia.com/wiki/Chemar
http://tibia.wikia.com/wiki/Gewen
http://tibia.wikia.com/wiki/Iyad
http://tibia.wikia.com/wiki/Pino
http://tibia.wikia.com/wiki/Uzon

Cleanup based on Uzon.lua