Revert "updated gromacs 5.0 to 5.0.5"

patches/gromacs-5.0.diff/src/gromacs/CMakeLists.txt

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patches/gromacs-5.0.diff/src/gromacs/mdlib/force.c

patches/gromacs-5.0.diff/src/gromacs/mdlib/force.c.preplumed

patches/gromacs-5.0.diff/src/gromacs/mdlib/minimize.c

...s/gromacs-5.0.diff/src/gromacs/mdlib/minimize.c.preplumed

patches/gromacs-5.0.diff/src/programs/mdrun/md.c

patches/gromacs-5.0.diff/src/programs/mdrun/md.c.preplumed

patches/gromacs-5.0.diff/src/programs/mdrun/mdrun.cpp

...s/gromacs-5.0.diff/src/programs/mdrun/mdrun.cpp.preplumed

patches/gromacs-5.0.diff/src/programs/mdrun/repl_ex.c

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