Attached Editors and Watcher to parent
Attached Editors and Watcher to parent

The fact that they were not being attached to their parent would cause
PySide to drop the reference to the object. Weirdly enough, that was not
causing the functionality to break. This commit fixes it anyway.

baudren/NoteOrganiser,baudren/NoteOrganiser,egolus/NoteOrganiser,egolus/NoteOrganiser