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

t/pt-query-digest/samples/tcpdump012.txt

@@ -0,0 +1,27 @@
+
+# Query 1: 0 QPS, 0x concurrency, ID 0xA3C9C49321D65C30 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: all events occurred at 2009-04-12 09:50:16.805123
+# Attribute    pct   total     min     max     avg     95%  stddev  median
+# ============ === ======= ======= ======= ======= ======= ======= =======
+# Count        100       1
+# Exec time    100   274us   274us   274us   274us   274us       0   274us
+# Rows affecte   0       0       0       0       0       0       0       0
+# Query size   100      32      32      32      32      32       0      32
+# Warning coun   0       0       0       0       0       0       0       0
+# String:
+# Errors       none
+# Hosts        127.0.0.1
+# Query_time distribution
+#   1us
+#  10us
+# 100us  ################################################################
+#   1ms
+#  10ms
+# 100ms
+#    1s
+#  10s+
+# EXPLAIN /*!50100 PARTITIONS*/
+select "hello world" as greeting\G