Fix for less, running twice.
Fix for less, running twice.

ky0615/sails-generate-frontend-gulp-coffee,mitom/sails-generate-frontend,decore/sails-generate-frontend,balderdashy/sails-generate-frontend,dbkaplun/sails-generate-frontend,chiefy/sails-generate-frontend-ember,Karnith/sails-generate-frontend-gulp