Added Ronan Bignaux (genesis) patch to use wxversion. Fixed side effects with sys.path. Other cosmetic fixes about path included.
<xsd:element name="Xenomai">
<xsd:complexType>
%(toolchain_gcc)s
<xsd:attribute name="XenoConfig" type="xsd:string" use="optional" default="xeno-config"/>
</xsd:complexType>
</xsd:element>