and modifications to mysql-test-run(.pl/.sh)


client/Makefile.am:
  Worklog #2983, added mysqlslap to Makefile.am
client/client_priv.h:
  Worklog #2983 Added OPT_CREATE_SLAP_SCHEMA
mysql-test/mysql-test-run.pl:
  Worklog #2983 Added mysqlslap test binary to test script
mysql-test/mysql-test-run.sh:
  Worklog #2983 Added mysqlslap binary def to test script
client/mysqlslap.c:
  Worklog #2983 mysqlslap.c, new utility for running load simulation.
mysql-test/r/mysqlslap.result:
  Worklog #2983 Mysqlslap test results
mysql-test/t/mysqlslap.test:
  Worklog #2983 Mysqlslap test