Added generator test to the test suite.
Updating test artifacts before creating new branch
Split the generateFeature into two methods for generateAttribute and
generateReference.
Updated to use strings for non-containment references. This updates
issue #20.
Major progress towards the non-containment reference. Updates for issue
#20.
Updated to handle null references even when lower bound > 0.
Added handling for non-containment references of abstract types.
Added check to do nothing if contents are empty.  Also removed strict
checking for compliance.
Added handling for unions.
Updated to use later version of xtext
Added more tests for valid and invalid resource saves.
Regenerated with latest version of eclispe-avro toolkit