Update TAB menu things for H20 (and H19.5)

[johnnyquest]

• preserve backwards compatibility if possible, but H20 menus should take prio
• don't put qLib tools in submenus, if possible

[johnnyquest]

Primitive to Geometry->Primitive (OBJ and SOP levels)
NURBS to Geometry->NURBS (SOP)
Manipulate to ???
Material to ??? Texturing
Rigging to ???
Pack to Geometry->Packed Primitives
RBD to Dynamics->RBD
Particle to Dynamics

[johnnyquest]

Time to do this! With 20.5 released