graph: make addNodeNoHistory internal
graph: make addNodeNoHistory internal

Rhizi/rhizi,shlomif/rhizi,ozFri/rhizi,tlevine/rhizi,shlomif/rhizi,yuvadm/rhizi,ozFri/rhizi,cben/rhizi,ozFri/rhizi,cben/rhizi,yuvadm/rhizi,tlevine/rhizi,ozFri/rhizi,cben/rhizi,Rhizi/rhizi,yuvadm/rhizi,shlomif/rhizi,yuvadm/rhizi,tlevine/rhizi,cben/rhizi,Rhizi/rhizi,tlevine/rhizi,Rhizi/rhizi,shlomif/rhizi