Fix merging bug where downstream items somtimes got ignored if they appear after an upstream-only item. Also, reduce the severity of the validation error if a tech-domain is not recognised on a non-Foundation package.
<?xml version="1.0"?>
<SystemDefinition name="MCL" schema="1.4.0">
<systemModel>
<layer name="common">
<module name="allexports">
<component name="envelope">
<unit unitID='APPARC' name='app-framework_apparc' bldFile='common/generic/APP-FRAMEWORK/APPARC/GROUP' />
<unit unitID='SYSSTART' name='app-framework_sysstart' bldFile='common/generic/app-framework/sysstart/group' />
</component>
</module>
</layer>
</systemModel>
<build>
</build>
</SystemDefinition>