Added localization support for all elements, minerals, and molecules. Ad...

...ded names for en_US only.

NOTE: Non-en_US languages will now show names like "en_US:Carbon" or "en_US:Water". Let me know if you would prefer that missing localizations would show with the localization key instead (e.g., as "minechem.element.C" or "minechem.molecule.water"), or some other option.