openmp parallel
the most time consuming part
../gwsrc/ppbafp.fal.F ../gwsrc/sxcf_fal2.sc.F ../gwsrc/wintzsg.F
and makefile make.inc.ifort
are changed.
add -openmp to compile them (added in makefile)
FFLAGS_OMP is added in make.inc.ifort

hsfp0.sc.m.F: minor change for time(MPI__AllreduceMax)=