don't start an art search when offline
don't start an art search when offline

UIKit0/TouchDevelop,jle33/TouchDevelop,CodeKingdomsTeam/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,jle33/TouchDevelop,MetSystem/TouchDevelop,jle33/TouchDevelop,UIKit0/TouchDevelop,jmptrader/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,jle33/TouchDevelop,imadityab/FSE-2012-TouchDevelop-old,ntoll/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,jmptrader/TouchDevelop,UIKit0/TouchDevelop,CodeKingdomsTeam/TouchDevelop,MetSystem/TouchDevelop,jmptrader/TouchDevelop,imadityab/FSE-2012-TouchDevelop-old,jmptrader/TouchDevelop,imadityab/FSE-2012-TouchDevelop-old,imadityab/FSE-2012-TouchDevelop-old,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,ntoll/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,jle33/TouchDevelop,MetSystem/TouchDevelop,CodeKingdomsTeam/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop,CodeKingdomsTeam/TouchDevelop,ntoll/TouchDevelop,SoftwareEngineeringToolDemos/FSE-2012-TouchDevelop