fixedFluxPressure BC: the snGrad is now pushed into the BC from pEqn.H rather than being evaluated in the BC

For DyM solvers phiAbs is replaced by Uf but this conversion is currently not complete

ENH: foamyHexMesh: do not point motion to cross surfaces
ENH: foamyHexMesh: do not allow perturbation to cross surface
ENH: foamyHexMesh: change inside/outside test to check for nearest intersection
BUG: foamyHexMesh: With surfaces of same priority do not overwrite cell size
ENH: foamyHexMesh: insert surface points on close parallel surfaces
BUG: foamyHexMesh: write to own processor file in parallel
ENH: foamyHexMesh: Insert surface points if internal points are exposed
ENH: foamyHexMesh: add hasBoundaryPoint() to indexedCell
REVERT: foamyHexMesh: do not check inside/outside for surface points
REVERT: foamyHexMesh: correct function argument list
REVERT: foamyHexMesh: correct function argument list