(1) dyn_em/module_big_step_utilities_em.F
         moist_old now initialized before used in theta_to_thetam
     (2) dyn_em/module_initialize_les.F
         turned off USER_DEFINED_ETA_LEVELS by default
     (3) external/RSL_LITE/module_dm.F
         the calculation of "locbuf" size in wrf_patch_to_global_generic when calling just_patch_*s
     (4) frame/module_statistics.F
         further cleaning up