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

t/pt-table-sync/samples/lag-slave.sql

@@ -0,0 +1,18 @@
+drop database if exists test;
+create database test;
+use test;
+
+create table t1 (
+  i int not null,
+  unique index (i)
+) engine=innodb;
+
+insert into t1 values (1);
+
+create table t2 (
+  id int not null,
+  i  int,
+  unique index (id)
+) engine=innodb;
+
+insert into t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8);