beremiz

file isExecutable
add docutils in svgui plugins to launch inkscape
fix bug in Beremiz.py when open project without buildpath
<xsd:element name="Rtai">
<xsd:complexType>
%(toolchain_gcc)s
<xsd:attribute name="rtai_config" type="xsd:string" use="optional" default="/usr/realtime/"/>
</xsd:complexType>
</xsd:element>