Update develop-ref after #1916, #1917, and #1919

[JohnHalleyGotway]

Pull Request Testing

This updates develop-ref to get past changes flagged in NB20210917.

• Describe testing already performed for these changes:
  
  The differences are caused by caused by 3 earlier PR's.

1. PR Feature 1913 MAX_PBL #1916 for Issue Enhance the PBL derivation logic in PB2NC. #1913 changes the number of PBL obs derived:

COMPARING pb2nc/nam.20210311.t00z.prepbufr.tm00.pbl.nc
file1: MET-develop-ref/test_output/pb2nc/nam.20210311.t00z.prepbufr.tm00.pbl.nc
file2: MET-develop/test_output/pb2nc/nam.20210311.t00z.prepbufr.tm00.pbl.nc
ERROR: NetCDF headers differ:
7c7
< 	nobs = 297 ;
---
> 	nobs = 249 ;

2. PR Feature 1894 pb2nc var all #1917 for Issue Fix PB2NC to better inventory BUFR input data when processing all variables #1894 changes the output for the PB2NC var all unit test:

COMPARING pb2nc/ndas.20120409.t12z.prepbufr.tm00.var_all.nc
file1: MET-develop-ref/test_output/pb2nc/ndas.20120409.t12z.prepbufr.tm00.var_all.nc
file2: MET-develop/test_output/pb2nc/ndas.20120409.t12z.prepbufr.tm00.var_all.nc
ERROR: NetCDF headers differ:
6,8c6,8
< 	nhdr = 14 ;
< 	nobs = 7546 ;
< 	npbhdr = 14 ;
---
> 	nhdr = 16 ;
> 	nobs = 7581 ;
> 	npbhdr = 16 ;
10c10
< 	nhdr_sid = 5 ;
---
> 	nhdr_sid = 6 ;
13c13
< 	obs_var_num = 122 ;
---
> 	obs_var_num = 163 ;

3. PR Feature 1858 obs quality #1919 for Issue Add Point-Stat and Ensemble-Stat obs_quality_exc configuration option to specify which quality flags should be excluded #1858 renames and adds output related to the obs quality control flags:

ERROR: folder MET-develop-ref/test_output missing 9 files
    ensemble_stat/ensemble_stat_QTY_INC_EXC_MADIS_VGS_20120409_120000V_ecnt.txt 
    ensemble_stat/ensemble_stat_QTY_INC_EXC_MADIS_VGS_20120409_120000V_ens.nc 
    ensemble_stat/ensemble_stat_QTY_INC_EXC_MADIS_VGS_20120409_120000V_orank.txt 
    ensemble_stat/ensemble_stat_QTY_INC_EXC_MADIS_VGS_20120409_120000V_rhist.txt 
    ensemble_stat/ensemble_stat_QTY_INC_EXC_MADIS_VGS_20120409_120000V.stat 
    point_stat/point_stat_QTY_INC_EXC_PB_120000L_20120409_120000V_ctc.txt 
    point_stat/point_stat_QTY_INC_EXC_PB_120000L_20120409_120000V_mpr.txt 
    point_stat/point_stat_QTY_INC_EXC_PB_120000L_20120409_120000V_sl1l2.txt 
    point_stat/point_stat_QTY_INC_EXC_PB_120000L_20120409_120000V.stat 
ERROR: folder MET-develop/test_output missing 16 files
    ensemble_stat/ensemble_stat_QTY_MADIS_VGS_20120409_120000V_ecnt.txt 
    ensemble_stat/ensemble_stat_QTY_MADIS_VGS_20120409_120000V_ens.nc 
    ensemble_stat/ensemble_stat_QTY_MADIS_VGS_20120409_120000V_orank.txt 
    ensemble_stat/ensemble_stat_QTY_MADIS_VGS_20120409_120000V_phist.txt 
    ensemble_stat/ensemble_stat_QTY_MADIS_VGS_20120409_120000V_relp.txt 
    ensemble_stat/ensemble_stat_QTY_MADIS_VGS_20120409_120000V_rhist.txt 
    ensemble_stat/ensemble_stat_QTY_MADIS_VGS_20120409_120000V_ssvar.txt 
    ensemble_stat/ensemble_stat_QTY_MADIS_VGS_20120409_120000V.stat 
    point_stat/point_stat_QTY_PB_120000L_20120409_120000V_cnt.txt 
    point_stat/point_stat_QTY_PB_120000L_20120409_120000V_ctc.txt 
    point_stat/point_stat_QTY_PB_120000L_20120409_120000V_cts.txt 
    point_stat/point_stat_QTY_PB_120000L_20120409_120000V_eclv.txt 
    point_stat/point_stat_QTY_PB_120000L_20120409_120000V_fho.txt 
    point_stat/point_stat_QTY_PB_120000L_20120409_120000V_mpr.txt 
    point_stat/point_stat_QTY_PB_120000L_20120409_120000V_sl1l2.txt 
    point_stat/point_stat_QTY_PB_120000L_20120409_120000V.stat 

• Recommend testing for the reviewer(s) to perform, including the location of input datasets, and any additional instructions:
  
  None

• Do these changes include sufficient documentation updates, ensuring that no errors or warnings exist in the build of the documentation? [Yes]

• Do these changes include sufficient testing updates? [Yes]

• Will this PR result in changes to the test suite? [Yes]
  
  If yes, describe the new output and/or changes to the existing output:
  
  Update reference version, as expected.

• Please complete this pull request review by [Fill in date].
  

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