Set PETSc solve use command line option only according to the suggestion by Nori

MathLib/CMakeLists.txt

...Lib/LinAlg/PETSc/KSP_Option/PETScKSP_Chebyshev_Option.cpp

MathLib/LinAlg/PETSc/KSP_Option/PETScKSP_Chebyshev_Option.h

MathLib/LinAlg/PETSc/KSP_Option/PETScKSP_GMRES_Option.cpp

MathLib/LinAlg/PETSc/KSP_Option/PETScKSP_GMRES_Option.h

MathLib/LinAlg/PETSc/KSP_Option/PETScKSP_Richards_Option.cpp

MathLib/LinAlg/PETSc/KSP_Option/PETScKSP_Richards_Option.h

MathLib/LinAlg/PETSc/PC_Option/PETScPC_AMG_Option.cpp

MathLib/LinAlg/PETSc/PC_Option/PETScPC_AMG_Option.h

MathLib/LinAlg/PETSc/PC_Option/PETScPC_ASM_Option.cpp

MathLib/LinAlg/PETSc/PC_Option/PETScPC_ASM_Option.h

MathLib/LinAlg/PETSc/PC_Option/PETScPC_ILU_Option.cpp

MathLib/LinAlg/PETSc/PC_Option/PETScPC_ILU_Option.h

MathLib/LinAlg/PETSc/PC_Option/PETScPC_LU_Option.cpp

MathLib/LinAlg/PETSc/PC_Option/PETScPC_LU_Option.h

MathLib/LinAlg/PETSc/PC_Option/PETScPC_SOR_Option.cpp

MathLib/LinAlg/PETSc/PC_Option/PETScPC_SOR_Option.h

MathLib/LinAlg/PETSc/PETScLinearSolver.cpp

MathLib/LinAlg/PETSc/PETScLinearSolver.h

MathLib/LinAlg/PETSc/PETScLinearSolverOption.cpp