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

t/pt-online-schema-change/samples/small_table.sql

@@ -0,0 +1,27 @@
+DROP DATABASE IF EXISTS `mkosc`;
+CREATE DATABASE `mkosc`;
+USE `mkosc`;
+CREATE TABLE a (
+  i int auto_increment primary key,
+  c char(16),
+  d date
+) ENGINE=MyISAM;
+INSERT INTO a VALUES
+   (null, 'a', now()),
+   (null, 'b', now()),
+   (null, 'c', now()),
+   (null, 'd', now()),
+   (null, 'e', now()),
+   (null, 'f', now()),
+   (null, 'g', now()),
+   (null, 'h', now()),
+   (null, 'i', now()),
+   (null, 'j', now()),
+   (null, 'k', now()),
+   (null, 'l', now()),
+   (null, 'm', now()),
+   (null, 'n', now()),
+   (null, 'o', now()),
+   (null, 'p', now()),
+   (null, 'q', now()),
+   (null, 'r', now());