Update dtc/develop from dev/emc 2020/04/09#11

Merged

climbfuji merged 3 commits intoNCAR:dtc/developfrom climbfuji:update_dtc_develop_from_dev_emc_20200409

Apr 10, 2020

+16,638-617

Commits on Apr 8, 2020

Regional BC blending and BCs into GSI (NCAR#16 )
TomBlack-NOAA
authored

Commits on Apr 9, 2020

Merge branch 'dev/emc' of https://github.com/NOAA-EMC/GFDL_atmos_cubed_sphere into HEAD
climbfuji
committed

Commits on Apr 10, 2020

Bugfix for GNU compiler in model/fv_regional_bc.F90, reduce verbosity in driver/fvGFS/atmosphere.F90
climbfuji
committed