make mki18n.py wx-3.0 compatible and fix segmentation fault

$ python mki18n.py -m -v --moTarget=../locale --domain=Beremiz
No project directory given. Using current one: /home/beremiz/beremiz/i18n
Application domain used is: 'Beremiz'
Target directory for .mo files is: ../locale
../src/common/stdpbase.cpp(62): assert "traits" failed in Get(): create wxApp before calling this
Segmentation fault

     1

<?xml version="1.0" encoding="UTF-8"?>

     2

<BeremizRoot URI_location="LOCAL://">

     3

  <TargetType/>

     4

</BeremizRoot>