Fix bug when opening PouActionDialog while trying to add action to a POU in SFC
To generate message.pot file:
python mki18n.py -p --domain=PLCOpenEditor
To generate .mo files for all languages:
python mki18n.py -m --moTarget=../locale --domain=PLCOpenEditor
To generate app.fil:
find .. -name "*.py" -exec grep -q '_(' {} ';' -print -o -name "*.csv" -print > app.fil