The Field type of the result is that of the LH argument so now

// Update the phi BCs from U before p BCs are updated
phi.boundaryField() = mesh.Sf().boundaryField() & U.boundaryField();

is possible.

pairGAMGAgglomeration: Support reverse cell-scanning without reversing the order of the generated agglomeration
Gives better cache coherency

This is more consistent with the faceArea agglomeration and generates more reliable agglomerations.

such that the sum of the values in the fines cells is equal to the value in the coarse cell

Field: Removed unnecessary typedef which causes gcc-4.8 and latest clang to spew-out hundreds of warning messages

dwim (do what I mean): search up directories tree for Make sub-directory and build the target
    specified in Make/files

It needs to be timeStamp (read on local processors)