Mars GCM: (a first step towards using parallel dynamics)
IMPORTANT CHANGE: Implemented dynamic tracers. It is no longer necessary to
compile the model with the '-t #' option, number of tracers is simply read
from tracer.def file (as before).
Adapted makegcm_* scripts (and co.) accordingly.
Technical aspects of the switch to dynamic tracers are:
advtrac.h (in dyn3d) removed and replaced by module infotrac.F
tracer.h (in phymars) removed and replaced by module tracer_mod.F90 (which
contains nqmx, the number of tracers, etc. and can be used anywhere in the
physics).
Included some side cleanups: removed unused files (in dyn3d) anldoppler2.F,
anl_mcdstats.F and anl_stats-diag.F, and all the unecessary dimensions.*
files in grid/dimension.
Checked that changes are clean and that GCM yields identical results (in
debug mode) to previous svn version.