client/textanalysis: use constant for 'new node'
client/textanalysis: use constant for 'new node'

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