[PETsc] Introduced a function setLocalAccessibleVector

MathLib/LinAlg/LinAlg.cpp

MathLib/LinAlg/LinAlg.h

MathLib/LinAlg/PETSc/PETScVector.cpp

MathLib/LinAlg/PETSc/PETScVector.h

NumLib/ODESolver/NonlinearSolver.cpp

NumLib/ODESolver/TimeDiscretization.h

NumLib/ODESolver/TimeDiscretizedODESystem.cpp

ProcessLib/UncoupledProcessesTimeLoop.cpp

Tests/NumLib/TestODEInt.cpp

Tests/NumLib/TimeLoopSingleODE.h