Updated pair correlation function to handle open boundary conditions
Added a reference slice shifting move. I also consolodated the move acceptance ratio functions to make it more clear what is being written to file.
Updated parameterize free nodal structure to include the possible effect of ions. This includes providing an isIon flag to particles.
Updated scripts
updated the ewald procedure
little cosmetic changes
accidently added RefSliceRestart
updated CMakeLists.txt with RefSliceShift