Follow symlinks in make_css.
Follow symlinks in make_css.

This is in case the cobrand directory is actually a symlink to
elsewhere, as it is with some deployments.

mhalden/fixmystreet,mhalden/fixmystreet,dracos/fixmystreet,altinukshini/lokalizo,mhalden/fixmystreet,altinukshini/lokalizo,rbgdigital/fixmystreet,mhalden/fixmystreet,altinukshini/lokalizo,dracos/fixmystreet,rbgdigital/fixmystreet,rbgdigital/fixmystreet,mhalden/fixmystreet,mhalden/fixmystreet,rbgdigital/fixmystreet,dracos/fixmystreet,rbgdigital/fixmystreet,altinukshini/lokalizo,rbgdigital/fixmystreet,altinukshini/lokalizo,altinukshini/lokalizo,dracos/fixmystreet,dracos/fixmystreet,dracos/fixmystreet