documentation for temper/npt

data file for example

example for temper/npt

Updated command to temper/npt instead of temper_npt

Temper_NPT and example

New function that allows for parallel tempering (replica exchange) in MD in LAMMPS in the isothermal-isobaric ensemble (NPT)
Similar to temper which works in the canonical (NVT) ensemble.
An example is included that uses temper_npt

Add secondary, cmake based build system

Collected small changes and bug fixes

USER-INTEL add-ons from Mike

Minor fixes to Colvars module

Update Kokkos library to v2.03.13

Implementing short neighbor lists for three-body gpu styles

Fixes for stable

More tweaks for stable release

The default compiler flags in voro++'s config.mk file do not include
-fPIC, which makes it incompatible with building the shared object for
the python wrapper.

This reverts commit 4e97b575.

when recomputing special bonds, make certain we do not shrink atom->maxspecial and add force->special_extra only once