Jim Cramer is incensed about the NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) outage, but mostly because no one explained what happened to Jim Cramer. The NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) closed trading on all listed companies for several hours on Thursday following a technical glitch that hasn’t been completely explained, and Cramer, host of the popular CNBC show Mad Money, wanted a better explanation from NASDAQ OMX CEO Robert Greifeld. NASDAQ claims to have fixed the problem within the first thirty minutes “I think it’s only fair that people have more information. I’d like to know under what circumstances is it…