Update deprecation message to be more specific
Update deprecation message to be more specific

lantins/resque-retry,seomoz/resque-retry,seomoz/resque-retry,lantins/resque-retry,jzaleski/resque-retry,thenovices/resque-retry,jzaleski/resque-retry,thenovices/resque-retry,thenovices/resque-retry,lantins/resque-retry,jzaleski/resque-retry,seomoz/resque-retry