- Add more printouts it depending on verbose level
 - New common function 'run_query' to be used when executing a query


client/mysqlslap.c:
  Seed random number generator after options handling
  Make common function 'run_query' to take care of "opt_print_only" and "opt_verbose" level
  Better error message when failing to connect to MySQL Server
  Message when turning off "preserve-schema"
  Print auto generated statmements
  Print queries if verbose >= 2
  Print "connected" if verbose >= 3