Fixed lessc compilation broken with Node 6
Fixed lessc compilation broken with Node 6

ttiurani/extendedmind,extendedmind/extendedmind,ttiurani/extendedmind,extendedmind/extendedmind,extendedmind/extendedmind,extendedmind/extendedmind,ttiurani/extendedmind,extendedmind/extendedmind,ttiurani/extendedmind,extendedmind/extendedmind,ttiurani/extendedmind,extendedmind/extendedmind,ttiurani/extendedmind