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

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These classes are intended for use server-side.

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e.g. in a django view.py :

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    from pyjs.jsonrpc.django import JSONService, jsonremote

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    jsonservice = JSONRPCService()

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    @jsonremote(jsonservice)

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    def test(request, echo_param):

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         return "echoing the param back: %s" % echo_param

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