Species specific thermo modes

[ajmedford]

If species_definitions['A'] = {'adsorbate_thermo_mode':'zero_point_adsorbate'} is specified then species 'A' should be treated as a "zero_point_adsorbate" regardless of the "adsorbate_thermo_mode" specified for the entire model. It may also be worth separating thermo corrections for adsorbates and transition states since these could be different. This is a tough problem due to the structure of ThermoCorrections, and may require some re-structuring. Putting it off for now.