DrylandEcology/rSOILWAT2: v5.0.0

reorganization of SOILWAT2-related functionality, i.e., creation of a family of rSW2-related packages (see https://github.com/DrylandEcology/rSOILWAT2#rSW2) dependency on new packages rSW2utils and rSW2data moved CI from travis and appveyor to Github Actions updated to SOILWAT2 v6.2.1 new functionality adjust_TranspirationRegions, check_TranspirationRegions, prepare_TranspirationRegions dbW_check_weatherData estimate_PotNatVeg_roots lookup_annual_CO2a activate_swOUT_OutKey<-, deactivate_swOUT_OutKey<- new datasets sw2_tr_VegBiom sw2_trco_table sw2_tr_CO2a many improvements in documentation and unit tests closed issues and bug reports including #58, #164, #170, #171, #176 functions marked as defunct (moved to rSW2 appropriate packages) rSW2funs: calc_SMTRs, SMR_names, SMRq_names, STR_names, calc_RRs_Chambers2014, calc_RRs_Maestas2016 rSW2data: getStartYear, setup_time_simulation_run, simTiming_ForEachUsedTimeUnit, update_requested_year