remove deletion of update nodes
remove deletion of update nodes

wgerlach/AWE,MG-RAST/AWE,teharrison/AWE,teharrison/AWE,wgerlach/AWE,wgerlach/AWE,wgerlach/AWE,MG-RAST/AWE,teharrison/AWE,teharrison/AWE,teharrison/AWE,MG-RAST/AWE,MG-RAST/AWE,MG-RAST/AWE,MG-RAST/AWE,teharrison/AWE,wgerlach/AWE,wgerlach/AWE