implement retry strategy for event hubs upload
implement retry strategy for event hubs upload

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