Feature/womersley: Pre-calculate Time invariant portion of Womersley Solution
Iterated on the Womersley boundary condition to pre-evaluate the time invariant portions of the analytical solution. Currently this assumes the Radius of the inlet does not change.
add NekComplexDouble as a complex type modeled after NekDouble but only in IncNavierStokes.h
adding additional arrays in the womersley parameters at initialization.
move the coefficient calculation to the SetUpWomersley function
removing unnecessary variables
A current deficit is that each field is initialized separately, it would be nice to be able to reduce the duplication that occurs with this implementation. The Womersley test passes.