Respect the hierarchy feature setting, ignore any passed parent param for non-hierarchical vocabularies.
Respect the hierarchy feature setting, ignore any passed parent param for non-hierarchical vocabularies.

git-svn-id: d0e296eae3c99886147898d36662a67893ae90b2@3600 653ae4dd-d31e-0410-96ef-6bf7bf53c507

dragonmantank/Habari,dragonmantank/Habari,dragonmantank/Habari