Minor cleanup - use addChild(workspace, true)
Minor cleanup - use addChild(workspace, true)

TBR=neil.fraser@gmail.com
BUG=104

Review URL: https://codereview.appspot.com/7232051

git-svn-id: 2cf55447cea94972d775c94cce66c944ede0459c@604 c400ca83-b69d-9dd7-9705-49c6b8615e23

CocoMake7/CocoBlockly,TechplexEngineer/EasyJ4FRC,TechplexEngineer/EasyJ4FRC,TechplexEngineer/EasyJ4FRC,carlosperate/ardublockly,kallex/blockly,kallex/blockly,adrgerez/ardublockly,carlosperate/ardublockly,CocoMake7/CocoBlockly,adrgerez/ardublockly,TechplexEngineer/EasyJ4FRC,carlosperate/ardublockly,CocoMake7/CocoBlockly,adrgerez/ardublockly