Try killing mate-panel rather than rebooting

src/freedombone-image-mesh

 
     # restart caja
     killall caja
+    killall mate-panel
 }
 
 function disable_password_logins {
     if [ ! -f $MESH_INSTALL_COMPLETED ]; then
         echo $'Mesh node setup complete' >> $INSTALL_LOG
         touch $MESH_INSTALL_COMPLETED
-        reboot
     fi
 fi