beremiz

file isExecutable
fix bug: Beremiz IDE hangs during launching Beremiz_service

this is regression introduced as side effect by d7f474d [fix issue
with sometimes wrong return code of ProcessLogger]
<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=""/>