Sfermion d.o.f. fixed in 1-loop effective potential of VhAtMin() of
nmssmsoftsusy.cpp.  Also fixed 1-loop factor (32 * pi^2) --> (64 * pi^2)
Fixed d.o.f. for charged Higgs in 1-loop effective potential of VhAtMin().
Included 2-loop prefactor alpha_s / (16 * pi^2) and split apart fermions
to avoid mixing up with 1-loop contributions.
Changed wording of flagHiggsNoMin(true) to reflect the true situation of not
expanding about a global min.  Noticed that default slha2 input file
nmssmSLHAZ3Input now triggers global min flag.
Merge branch 'vhatmin' into nmssm2