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

t/pt-query-digest/samples/memc_tcpdump003_report_key_print.txt

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+
+# ########################################################################
+# Report grouped by key_print
+# ########################################################################
+
+# Item 1: 4.47k QPS, 0.32x concurrency, ID 0x8228B9A98CA1531D at byte 0 __
+# 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: 2009-07-04 22:12:06.175734 to 22:12:06.176181
+# Attribute    pct   total     min     max     avg     95%  stddev  median
+# ============ === ======= ======= ======= ======= ======= ======= =======
+# Count        100       2
+# Exec time    100   141us    68us    73us    70us    73us     3us    70us
+# Query size     0       0       0       0       0       0       0       0
+# Boolean:
+# Memc decr     50% yes,  50% no
+# Memc incr     50% yes,  50% no
+# String:
+# Hosts        127.0.0.1
+# Query_time distribution
+#   1us
+#  10us  ################################################################
+# 100us
+#   1ms
+#  10ms
+# 100ms
+#    1s
+#  10s+
+key