Update node sass for latest node
Update node sass for latest node

v3.13.0 isn’t compatible with node 8

jashot7/openbazaar-desktop,OpenBazaar/openbazaar-desktop,jashot7/openbazaar-desktop,jjeffryes/openbazaar-desktop,OpenBazaar/openbazaar-desktop,OpenBazaar/openbazaar-desktop,jashot7/openbazaar-desktop,jjeffryes/openbazaar-desktop,jjeffryes/openbazaar-desktop