node n version

src/freedombone-utils-nodejs

 # change these versions at your peril. Things will often crash if you don't
 # have specifically the correct versions
 NODEJS_VERSION='6.11.4'
-NODEJS_N_VERSION='2.1.7'
+NODEJS_N_VERSION='2.1.8'
 NPM_VERSION='4.0.5'
 
 # This file keeps track of the apps needing nodejs