added npm powered less to css compile.sh
added npm powered less to css compile.sh

modulexcite/flatstrap,wilwaldon/flatstrap,wilwaldon/flatstrap,modulexcite/flatstrap,HossainKhademian/FlatStrap,modulexcite/flatstrap,wilwaldon/flatstrap,pagarme/pagarme-strap,pagarme/pagarme-strap,modulexcite/flatstrap,wilwaldon/flatstrap,HossainKhademian/FlatStrap,pagarme/pagarme-strap,pagarme/pagarme-strap,HossainKhademian/FlatStrap