- move declaration of local array "ibuf" out of header file "CPLR_SIG.h"   to each S/R that needs it; remove un-used variables. - improve report of tile registration results to log file. - check for valid mapping from comp. tile to coupler global array
- move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
  to each S/R that needs it; remove un-used variables.
- improve report of tile registration results to log file.
- check for valid mapping from comp. tile to coupler global array

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h