Add halo update to vertical extrapolation to fix free surface issue reported by rhodrin. This is also necessary for parallel free surface mesh movement - although it still seems broken.
Add halo update to vertical extrapolation to fix free surface issue reported by rhodrin. This is also necessary for parallel free surface mesh movement - although it still seems broken.

rjferrier/fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity,jrper/fluidity,jjo31/ATHAM-Fluidity,iakovos-panourgias/fluidity,jrper/fluidity,iakovos-panourgias/fluidity,jjo31/ATHAM-Fluidity,iakovos-panourgias/fluidity,jjo31/ATHAM-Fluidity,rjferrier/fluidity,rjferrier/fluidity,jrper/fluidity,iakovos-panourgias/fluidity,jrper/fluidity,jrper/fluidity,jjo31/ATHAM-Fluidity,jjo31/ATHAM-Fluidity,rjferrier/fluidity