Merge branch 'master' of https://github.com/plumed/plumed2

CHANGES/v2.2.txt

patches/gromacs-5.0.7.config

patches/gromacs-5.0.7.diff/src/gromacs/CMakeLists.txt

...s/gromacs-5.0.7.diff/src/gromacs/CMakeLists.txt.preplumed

patches/gromacs-5.0.7.diff/src/gromacs/mdlib/force.c

...es/gromacs-5.0.7.diff/src/gromacs/mdlib/force.c.preplumed

patches/gromacs-5.0.7.diff/src/gromacs/mdlib/minimize.c

...gromacs-5.0.7.diff/src/gromacs/mdlib/minimize.c.preplumed

patches/gromacs-5.0.7.diff/src/programs/mdrun/md.c

patches/gromacs-5.0.7.diff/src/programs/mdrun/md.c.preplumed

patches/gromacs-5.0.7.diff/src/programs/mdrun/mdrun.cpp

...gromacs-5.0.7.diff/src/programs/mdrun/mdrun.cpp.preplumed

patches/gromacs-5.0.7.diff/src/programs/mdrun/repl_ex.c

...gromacs-5.0.7.diff/src/programs/mdrun/repl_ex.c.preplumed

patches/gromacs-5.0.7.diff/src/programs/mdrun/runner.c

.../gromacs-5.0.7.diff/src/programs/mdrun/runner.c.preplumed