GetVariableDictionary and GetPouInterfaceReturnType optimized with new VariableInfoCollector based on XSLTModelQuery. Moved corresponding definitions out of PLCControler.py.

<?xml version='1.0' encoding='utf-8'?>
<BeremizRoot URI_location="LOCAL://">
  <TargetType/>
  <Libraries Enable_SVGUI_Library="false"/>
</BeremizRoot>