Update rcn-ee_bb.org-stable.sh
Update rcn-ee_bb.org-stable.sh

disable machinekit (need to update for the new repo)
RobertCNelson/omap-image-builder,beagleboard/image-builder,jadonk/image-builder,beagleboard/image-builder,miloh/image-builder,jadonk/image-builder,robert-budde/omap-image-builder,miloh/image-builder,robert-budde/omap-image-builder,RobertCNelson/omap-image-builder