This update for tryton, trytond, trytond_country, trytond_purchase, trytond_stock fixes the following issues:

- trytond_country was updated to Version 6.0.3 - Bugfix Release

  - fixed a gnuhealth_setup issue (boo#1196857)

- trytond_stock was updated to Version 6.0.17 - Bugfix Release
- trytond_purchase was updated to Version 6.0.9 - Bugfix Release

- trytond was updated to Version 6.0.22 - Bugfix Release

  - dependency on graphviz added

- tryton was updated to Version 6.0.19 - Bugfix Release