Split dumpData function.
Start adding elec.
Add helper functions to count masked sites of a particular type.
Rename elec parameters.
Some ELEC renaming.
Add Uniform elec init.
Start adding Poisson solver.
Fix SOR Poisson solver for localDiel = false.
Enable SOR Poisson solver for localEps = true.

Tested with uniform init only!
Start adding elec forces.
Add some non-trivial boundary conditions for elPot.
Add dlbc.elec.force module.
Add electric field calculation.