Back out change to message_store redis prefix that was made in bc918f8.
Back out change to message_store redis prefix that was made in bc918f8.

TouK/vumi,harrissoerja/vumi,TouK/vumi,harrissoerja/vumi,TouK/vumi,harrissoerja/vumi,vishwaprakashmishra/xmatrix,vishwaprakashmishra/xmatrix,vishwaprakashmishra/xmatrix