store dof holder parametric coordinates

[cwsmith]

We should store the parametric coordinates of dof holders for each field order+topo combination.

[jacobmerson]

@joyal-mathew

[cwsmith]

WIP in cws/orderinb branch - look for getNodeParametricCoords here https://github.com/SCOREC/meshFields/blob/cws/ordering/src/MeshField_Shape.hpp