Tweak circles for a little extra speed.
Merge branch 'master' of d:/twilburn/devportal-dev/portal/web/products/jsquery/public/js/dataviz/easelgl
Speed tweaks, fix hanging references to parent display objects.
Merge branch 'master' of d:/twilburn/devportal-dev/portal/web/products/jsquery/public/js/dataviz/easelgl