Blockly editor.
Blockly editor.

Fix the error reporting so that it highlights the proper block.

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