No envelopes in Pose mode

See Issue #13680
Move envelopes in Armature display categorie

See Issue #13680
Merge branch '13680-NoEnvelopesInPose' into armatures

* 13680-NoEnvelopesInPose:
  Move envelopes in Armature display categorie
  No envelopes in Pose mode
Patch
Create armature from vtk file

Added a field array describing the parenthood between the bones.
Note that the envelopes and transforms are not initialized and that the
 model is not actually loaded in slicer. It supports however point not
linked to their parents (Automatically detected).

See Issue# 13965
Merge branch '13965-ArmatureFromVTKFile' into armatures

* 13965-ArmatureFromVTKFile:
  Create armature from vtk file
  Patch