electrostatic refinement
Removed sqrt splines and shape stuff (doesn't work, so why was it in there?). Changed some of the water samples to use shifted_force. Probably should set the defaults to use the damped version now that we sped it up.
remove deprecated keywords from samples
fixing up the samples
fixed some samples
fixing up some samples
Added TIP4P-Ew
some samples are not installed correctly
added quadrupole sample