Corruption Name Tooltips

**Note: Corruption Tooltips exists for this same purpose, and is more full featured. Recommend using that addon instead. I put this together around the same time as that addon (few days behind) and my guild wanted me to leave this here**

Adds the common name of corruption to the tooltip of corrupted items, just after the amount of corruption.

The name used will be localized based on the name of the spell in the client version being run.