don't crash on trying to change IP interface for Beremiz_service using taskbar icon if IP wasn't previously
By default IP is not set (None) and service listen only on localhost interface.
To generate message.pot file:
python mki18n.py -p --domain=Beremiz
To generate .mo files for all languages:
python mki18n.py -m --moTarget=../locale --domain=Beremiz
To generate app.fil:
find .. -name "*.py" -exec grep -q '_(' {} ';' -print -o -name "*XSD*" -print -o -name "*.csv" -print | grep -v '/build/' | grep -v '/pyjs/' > app.fil