Make specs for unit() style-guide-compliant
Make specs for unit() style-guide-compliant

mgreter/sass-spec,nschonni/sass-spec,nschonni/sass-spec,sass/sass-spec,sass/sass-spec,sass/sass-spec,mgreter/sass-spec,mgreter/sass-spec,nschonni/sass-spec,sass/sass-spec,nschonni/sass-spec