Build picard-countries.po for enabled languages.
Add script to take country names from db into a Python script.
Add countries.py as generated by country_sql2py.py.
Replace the release countries in const.py with import from countries.py.
Use ungettext_countries() for translating country names.
Add note to NEWS.txt about PICARD-205 being fixed.
Pulled current "countries" translations from Transifex.