beremiz

file isExecutable
GetVariableDictionary and GetPouInterfaceReturnType optimized with new VariableInfoCollector based on XSLTModelQuery. Moved corresponding definitions out of PLCControler.py.
<xsd:attribute name="Compiler" type="xsd:string" use="optional" default="gcc"/>
<xsd:attribute name="CFLAGS" type="xsd:string" use="optional" default=""/>
<xsd:attribute name="Linker" type="xsd:string" use="optional" default="gcc"/>
<xsd:attribute name="LDFLAGS" type="xsd:string" use="optional" default=""/>