* [Maya] Fixed a bug in ``auxiliary.get_root_nodes()`` about checking the reference file of the parent of a particular node.
* [Maya] Fixed a bug in ``auxiliary.get_root_nodes()`` about checking the reference file of the parent of a particular node.

eoyilmaz/anima,eoyilmaz/anima,eoyilmaz/anima,eoyilmaz/anima,eoyilmaz/anima