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

t/pt-table-sync/samples/bidirectional/table.sql

@@ -0,0 +1,11 @@
+drop database if exists bidi;
+create database bidi;
+use bidi;
+CREATE TABLE `t` (
+  `id` int(10) unsigned NOT NULL auto_increment,
+  `c`  varchar(255) default NULL,
+  `d`  int(1) unsigned NOT NULL default 0,
+  `ts` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
+  PRIMARY KEY  (`id`),
+  KEY `ts` (`ts`)
+) ENGINE=InnoDB;