* (aadlba.ecore,
   aadlba/*.java,
   aadlba/impl/*.java):
   - Rename ComponentElementHolder into ClassifierFeatureHolder.
   - Add convinent operations for ClassifierFeatureHolder.
   - Make PropertyLiteral a ElementHolder.
   - Rename PropertyLiteral into PropertyLiteralHolder.
* (AadlBa.g):
   - Ambiguity between a property literal and a property name without property field.
* (aadlba.ecore,
   src/org/osate/ba/aadlba/*.java):
   - Create PropertyListValue, PropertyRecordField and PropertyEnumLiteral instead of PropertyLiteralHolder (genericity is not possible).
* all:
  - Commit the missing files of the previous commit.
* all:
  - Implements the property reference name resolvers.