Add support for non-Latin numbering systems for number symbols (#1036)

Add support for non-Latin numbering systems for number symbols (#1036)

- Import number symbols for available numbering systems from cldr data
- Add default_numbering_system  and other_numbering_systems properties for Locale
- Add numbering_system argument to relevant number formatting fuctions and use number symbols based on the given numbering system

Refs https://github.com/python-babel/babel/issues/446

Co-authored-by: Aarni Koskela <akx@iki.fi>