Adding python script to extract city name, province, and country from the...

Adding python script to extract city name, province, and country from the city.sqlite database. Modifying Messages.sh to process this data and also using xi18n instead of i18n. I had to pass some arguments to xgettext to get it working properly and now it produces the
expected .pot file. Needs more testing.

CCMAIL:kstars-devel@kde.org
CCMAIL:aacid@kde.org
CCMAIL:yurchor@ukr.net