ctoher

EoS thermal workflow files added to current version of MPWorks. New EoS thermal workflow files: workflows/snl_to_wf_eos_thermal.py firetasks/eos_thermal_tasks.py Lines added to drones/mp_vaspdrone.py at lines 252 to 254

DO NOT MERGE: Request for code review Initial attempt at workflow and firetask for GIBBS equation of state package for thermal properties are in the files mpworks/workflows/snl_to_wf_eos_thermal.py and mpworks/firetasks/eos_thermal_tasks.py