Sequence Annotation import and
misc fixes
Changes marked with // phdana atv6 ->
or marked with // phdana seq ann ->
Changes include:
* ATV advanced search
* ATV export
* ATV print selectd nodes bug fix
* Import Sequence Annotation
* Sequence Annotation Dialog
* Rename/add stuff in Pfaat Edit menu
* Rename stuff on Edit Annotations Dialog
* misc bug fixes
