* add 5 ccpp SDFs in support of RRFS ensemble

* add one more ccpp SDF for RRFS fire weather application by removing GWD in FV3_HRRR_gf

…chunk sizes in restart files (NOAA-EMC#726)

* Write coupler.res log files from the write grid comp if quilting_restart is .true.

* Explicitly specify chunk sizes in write_restart_netcdf

…NOAA-EMC#735)

* Remove nfhout, nfhout_hf, nsout

* Do not open 'coupler.res' file with status 'new'

* bug fix: no concurrent NetCDF calls in GFS_phys_time_vary_init

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Co-authored-by: Dusan Jovic <dusan.jovic@noaa.gov>

…AA-EMC#742 (NOAA-EMC#736)

* pressure is not density

* wrong variable sent for snodi

* explain lakedepth corruption safeguards

* module_sf_ruclsm.f90: explain the snow_mosaic=0 line

* add flag to track new freezing lake ice grids

* change name of lake_freeze to flag_lakefreeze

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Co-authored-by: Jili Dong <Jili.Dong@noaa.gov>

…PR139