Merge pull request #2 from mlund/master

merge w. mikael
Tables, penalty functions, penalty energy, gyration tensor, scale volume type Z, flip-flop move, size-dependent DH potential, penalty example
ifdef MPI, corrections in Tables
Mean and Standard Deviation in Table2D
Mean and Standard Deviation in from histograms Table2D
corrections in tables and penalty functions + c-o-m trigonometric calculation
Isochoric move, Waste-recycle.
corrections in penalty function and penalty energy
penalty tests and example
penalty function and isobaric-isochoric moves
Comments and figure
Half bin width compensation, stockmeyer.test, npt and nvt move dp keys
Half bin width compensation, stockmeyer.test, npt and nvt move dp keys
Merge branch 'master' of https://github.com/gitesei/faunus
new threshold in Table2Buffer, new members in PenaltyEnergy, external
energy in titrate move du
uncomment mpi in move and titrate
Merge pull request #49 from gitesei/master

merge w. giulio (master)