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

t/pt-query-advisor/samples/group-by-none-001.txt

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+
+# Query ID 0xADCE32553F5D5859 at byte 0
+# WARN CLA.001 SELECT without WHERE.
+# NOTE COL.001 SELECT *.
+select * from tbl
+
+# Query ID 0x63C84ABE631F3CD0 at byte 191
+# Also: CLA.001 COL.001
+select * from tbl order by a
+
+# Query ID 0xB79802214165F670 at byte 297
+# NOTE COL.002 Blind INSERT.
+insert into tbl values (null, 1, 'foo')
+
+# Query ID 0xEEA4D551871CCDC4 at byte 414
+# Also: COL.002
+replace into tbl2 values (1, '2', 'bar')
+
+# Query ID 0x52BAD5F0BF97EA19 at byte 532
+# WARN RES.001 Non-deterministic GROUP BY.
+select a, b, c from x where id<1000 group by a, b
+
+# Query ID 0x01BF72F436E936F1 at byte 659
+# Also: RES.001
+select x, y, z from foo where id>1000 group by x, y
+
+# Profile
+# Query ID           NOTE WARN CRIT Item
+# ================== ==== ==== ==== ==========================================
+# 0x01BF72F436E936F1    0    1    0 select x, y, z from foo where id>? group by x, y
+# 0x52BAD5F0BF97EA19    0    1    0 select a, b, c from x where id<? group by a, b
+# 0x63C84ABE631F3CD0    1    1    0 select * from tbl order by a
+# 0xADCE32553F5D5859    1    1    0 select * from tbl
+# 0xB79802214165F670    1    0    0 insert into tbl values(?+)
+# 0xEEA4D551871CCDC4    1    0    0 replace into tbl? values(?+)