ncremap/ncclimo add HINT for when NCO binaries not found. ncclimo eliminate warnings when caseid and fml_nm not provided in timeseries mode.

Removed unsupported -d option for ncap2 from man

Refactor nco_ppc_bitmask() to reduce redundant code, facilitate specifying NSD or NSB independently of BGR

Refactor nco_ppc_bitmask() to reduce redundant code, facilitate specifying NSD or NSB independently of BGR

Refactor baa_btr to be BitRound based on NSB and baa_bgr_btr tobe BitRound with keepbits determined by BitGroom algorithm

nco_ppc.c nco_ppc_around() fix int64/uint64 cast to be long long (was just long). nco_ppc.c nco_ppc_bitmask() fix msk_rst64 unsigned long long (was just long)