added vaadin-sass-compiler dependency
added vaadin-sass-compiler dependency

barspi/jPOS-EE,jrfinc/jPOS-EE,jpos/jPOS-EE,jpos/jPOS-EE,barspi/jPOS-EE,barspi/jPOS-EE,jpos/jPOS-EE,jrfinc/jPOS-EE,jrfinc/jPOS-EE