patch: gmx466
Merge branch 'v2.1' of github.com:plumed/plumed2 into v2.1
Removed patch for gmx 4.6.6

(will be reintroduced with next commit)
GMX 4.6.6

Same as 55bc92d23815396bf612c5b8087528a37ec655bb
(written by Carlo), but in such a way that it results as a git mv
Forgot to remove this
changelog
Merge branch v2.1 into v2.1-hrex

Additionally to the git merge I moved by hand the following files:
gromacs-4.6.5.diff/src/kernel/repl_ex.h -> gromacs-4.6.6.diff/src/kernel/repl_ex.h
gromacs-4.6.5.diff/src/kernel/repl_ex.h.preplumed -> gromacs-4.6.6.diff/src/kernel/repl_ex.h.preplumed