when looking for a property association, look in extended component types and/or implementations as well
continue looking for property in component type if component implementation does not extend any other component implementation
* (AadlBaParserAction.java,
   AadlBaResolver.java):
   - Parse and resolve only behavior annexe object.
* (org.osate.utils/src/org/osate/utils/Aadl2Visitors.java):
   - Fix null pointer exception when user erase the AADL package name.
Merge pull request #26 from osate/develop

Develop