TTM 2015-11-06 
originally ~/pstrtests/stretch/birchmurn
Migration volumes in original strain paper had an error in Birch-Murnaghan
equation calculation!
numpy.power(xxx,7/3) etc. which evaluates as numpy.power(xxx,2), etc.
were used instead of 
numpy.power(xxx,7.0/3.0) in the B-M equation.



original size 174 MB
89 MB after POTCAR clean
71 MB after EIGENVAL and DOSCAR zip

epneb_bulkmod originally ~/newpserLaHM/compaddls/bulkmod/bmepneb
original size 110 MB
