Add forked Maatkit tools in bin/ and their tests in t/.

t/pt-table-checksum/samples/issue_21.sql

@@ -0,0 +1,7 @@
+USE test;
+DROP TABLE IF EXISTS issue_21;
+CREATE TABLE issue_21 (
+   a  INT,
+   b  CHAR(1)
+) ENGINE=InnoDB;
+INSERT INTO issue_21 VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e');