Added working periodic, fcc, measuring
Added cell lists.
Forces work.
Forces work with cell lists.
Using addAndMultiply instead of +=.
Neighbor lists work.
Energy is conserved, neighbor lists work fast.
Added time measurement.
Stuff.
Optimizing on intel
More optimizations
Removed .at
Fixed potential energy measurement.
Added pressure measurement.
Added Berendsen thermostat and removed cell list and all pair force
loops.
Added more optimizations
Fixed neighbor list building with newtons third on neighbor cells instead of atoms
Moved index functions to h file in celllist
Stuff.
Added hilbert and z curve sorting