refs #6089 support tokudb in mysql-test

git-svn-id: file:///svn/mysql.com/mysql-5.5.30@54825 c7de825b-a66e-492c-adef-691d508d4ae1
refs #6089 add tokudb to sql-bench

git-svn-id: file:///svn/mysql.com/mysql-5.5.30@54824 c7de825b-a66e-492c-adef-691d508d4ae1