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

t/pt-query-digest/samples/slow042.txt

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+
+# Query 1: 0 QPS, 0x concurrency, ID 0x7CE9953EA3A36141 at byte 417 ______
+# This item is included in the report because it matches --limit.
+# Scores: Apdex = 1.00 [1.0]*, V/M = 0.00
+# Query_time sparkline: |  ^     |
+# Time range: all events occurred at 2009-12-05 19:55:11
+# Attribute    pct   total     min     max     avg     95%  stddev  median
+# ============ === ======= ======= ======= ======= ======= ======= =======
+# Count        100       3
+# Exec time    100     2ms   613us   613us   613us   613us       0   613us
+# Lock time     99   321us   107us   107us   107us   107us       0   107us
+# Rows sent    100     690     230     230     230     230       0     230
+# Rows examine 100     690     230     230     230     230       0     230
+# Rows affecte   0       0       0       0       0       0       0       0
+# Rows read    100     690     230     230     230     230       0     230
+# Query size   100      31      10      11   10.33   10.84    0.47    9.83
+# String:
+# Hosts        123.123.123.121 (1/33%)... 2 more
+# Users        chessguest
+# Query_time distribution
+#   1us
+#  10us
+# 100us  ################################################################
+#   1ms
+#  10ms
+# 100ms
+#    1s
+#  10s+
+# EXPLAIN /*!50100 PARTITIONS*/
+select foo
+\G