System model generator bug fixes for merging and dependencies. Support for 3.0.1 syntax. Catch up with sysdeftools.
<?xml version="1.0"?>
<model name="Symbian" label="System Model" shapes="shapes.xml">
<layout>
<legend label="Key">
<legend use="@shapes#colors"/>
<legend use="@shapes#styles"/>
<legend use="@shapes#patterns"/>
<legend use="@shapes#borders"/>
</legend>
</layout>
</model>