Better naming of IP address related variables in Beremiz_service.py, Ignore errors that occur on shutdown in Zeroconf.py, fixed discovery dialog crash due to asynchronous call from zeroconf
<xsd:attribute name="Compiler" type="xsd:string" use="optional" default="gcc"/>
<xsd:attribute name="CFLAGS" type="xsd:string" use="required"/>
<xsd:attribute name="Linker" type="xsd:string" use="optional" default="gcc"/>
<xsd:attribute name="LDFLAGS" type="xsd:string" use="required"/>