Docs/manual.texi:
  Updated links
client/mysqltest.c:
  Added 'ping' method
configure.in:
  Upgraded version number
mysql-test/r/user_var.result:
  Added test for using variables with distinct
mysql-test/t/kill.test:
  Use 'ping' to force reconnect
mysql-test/t/user_var.test:
  Added test for using variables with distinct
sql-bench/run-all-tests.sh:
  Fixed argument passing