add resolution of feature data classifier for ba_target that are prototypes; add method for retro-compatibility
* (behavior_model_v2.docx):
  - remove obsolete file.

* (current_syntax_supported.odt):
  - create a document that describes the current syntax implemented.

* (AadlBa.g):
  - Modify few comments.
Merge pull request #20 from osate/update

Update