Otherwise in the staggered scheme a wrong DOF table is used.

Preparation for the SourceTerm interface class.

MSS being the mesh subsets.

Needed for the description of the balance data.

and made some other minor changes.

that has or overloads the member function.

 that are used for the different process in the staggered scheme

Clang format run on near-the-header lines.

Happy New Year

 in creating of the instances of classes of coupled processes.

 and added a OGS_FATAL checking for the global vector of the solution of
 the previous time step

that is originally for the monolithic scheme.

 from the two classes of coupled term.

[Coupling] Changed the members of the coupled term,

 which only contains the solutions of the coupled equations.

 in one class either with the monolithic scheme or with the staggered scheme.

Added a boolean member to class Process to distinguish the monolithic scheme and the staggered scheme

In some processes (using non-local methods, for example)
the assembly is split in two parts: computation of local
quantities and actual (non-local) assembly (integration)
into the local matrices.