initial commit. doc is in the works

doc/src/Section_commands.txt

doc/src/Section_packages.txt

doc/src/compute_temp_uef.txt

doc/src/fix_nh_uef.txt

examples/USER/uef/README

examples/USER/uef/npt_biaxial/data.wca

examples/USER/uef/npt_biaxial/in.npt_biaxial

examples/USER/uef/npt_biaxial/log.30Jul16.npt_biaxial.g++.1

examples/USER/uef/npt_biaxial/log.30Jul16.npt_biaxial.g++.4

examples/USER/uef/nvt_uniaxial/data.wca

examples/USER/uef/nvt_uniaxial/in.nvt_uniaxial

...ples/USER/uef/nvt_uniaxial/log.30Jul16.npt_uniaxial.g++.1

...ples/USER/uef/nvt_uniaxial/log.30Jul16.npt_uniaxial.g++.4

src/Makefile

src/USER-UEF/compute_pressure_uef.cpp

src/USER-UEF/compute_pressure_uef.h

src/USER-UEF/compute_temp_uef.cpp

src/USER-UEF/compute_temp_uef.h

src/USER-UEF/dump_cfg_uef.cpp

src/USER-UEF/dump_cfg_uef.h