Maintenance release: GMI, PHEM, ChemEnv, Infrastructure
This release is zero-diff for the standard gcm_setup.
GMI has new overpass (OVP) diagnostics, and a fix for H2O_TEND
PCHEM has a new option for water vapor production & loss (off by default)
ChemEnv has new overpass diagnostics
infrastructure updates pertaining to Circle CI, docker authentication, etc