MQTT: WIP fix modified status not being set when adding and modifying topics or attributes.
Fix loading of CSV that was not applying model types, and that not checking conformance either.
<xsd:attribute name="Command" type="xsd:string" use="optional" default="make -C %(buildpath)s -f ../project_files/Makefile all BEREMIZSRC=%(src)s BEREMIZCFLAGS=%(cflags)s MD5=%(md5)s USE_BEREMIZ=1 FROM_BEREMIZ=1"/>