Revision 162656

o Committing changes submitted by Trygve Laugst��l to accomodate the new form
of specifying a parent model to use which is of the form:

<parent>
  <groupId/>
  <artifactId/>
  <version/>
</parent>

This allows us to work consistently from the local repository or the unified
source root where missing models are downloaded now that we have the required
information within the <parent/> element.