Mark help strings as translatable
Mark help strings as translatable

The chances of following through on i18n in ncharts are about nil,
especially in the admin interface, but this is how one would start.

nguyenduchien1994/django-ncharts,nguyenduchien1994/django-ncharts,nguyenduchien1994/django-ncharts,nguyenduchien1994/django-ncharts,nguyenduchien1994/django-ncharts