beremiz

fix (old-style-class) Old-style class defined error for most parts of
the code

only PyJS code is left, because it does some fancy tricks and can't be
easily fixed. So far PyJS doesn't support Python3 anyway.
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
echo "../plcopen/Additional_Function_Blocks.xml" >> app.fil
echo "../plcopen/Standard_Function_Blocks.xml" >> app.fil