Merge pull request #1672 from wenqing/staggered_scheme

BaseLib/uniqueInsert.h

...loop/global_process_coupling/i_global_process_coupling.md

...e_loop/global_process_coupling/t_convergence_criterion.md

...tFile/prj/time_loop/global_process_coupling/t_max_iter.md

...rocesses/process/coupled_processes/i_coupled_processes.md

.../processes/process/coupled_processes/t_coupled_process.md

NumLib/ODESolver/ConvergenceCriterion.h

NumLib/ODESolver/ConvergenceCriterionDeltaX.h

NumLib/ODESolver/ConvergenceCriterionPerComponentDeltaX.h

NumLib/ODESolver/ConvergenceCriterionPerComponentResidual.h

NumLib/ODESolver/ConvergenceCriterionResidual.h

NumLib/ODESolver/NonlinearSolver.cpp

NumLib/ODESolver/NonlinearSolver.h

NumLib/ODESolver/NonlinearSystem.h

NumLib/ODESolver/ODESystem.h

NumLib/ODESolver/TimeDiscretizedODESystem.cpp

NumLib/ODESolver/TimeDiscretizedODESystem.h

ProcessLib/AbstractJacobianAssembler.h

ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.cpp

ProcessLib/GroundwaterFlow/GroundwaterFlowProcess.h