better error message in the API when deployment key is invalid
better error message in the API when deployment key is invalid

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