minor changes to caf_dir handling in the makefile
minor changes to caf_dir handling in the makefile

no longer appends /lib to caf_dir at link time
no longer changes the linker to mpif90 if f90 is ftn (cray based)

NCAR/icar,NCAR/icar,gutmann/icar,gutmann/icar,gutmann/icar,NCAR/icar