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

t/pt-query-digest/outliers.t

@@ -0,0 +1,44 @@
+#!/usr/bin/env perl
+
+BEGIN {
+   die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
+      unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
+   unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
+};
+
+use strict;
+use warnings FATAL => 'all';
+use English qw(-no_match_vars);
+use Test::More tests => 2;
+
+use MaatkitTest;
+shift @INC;  # our unshift (above)
+shift @INC;  # MaatkitTest's unshift
+require "$trunk/bin/pt-query-digest";
+
+my @args   = qw(--report-format=query_report);
+my $sample = "$trunk/t/lib/samples/slowlogs/";
+
+ok(
+   no_diff(
+      sub { mk_query_digest::main(@args, $sample.'slow013.txt',
+            qw(--group-by user --outliers Query_time:.0000001:1)) },
+      "t/pt-query-digest/samples/slow013_report_outliers.txt"
+   ),
+   'slow013 --outliers'
+);
+
+ok(
+   no_diff(
+      sub { mk_query_digest::main(@args, $sample.'slow049.txt',
+            qw(--limit 2 --outliers Query_time:5:3),
+            '--report-format', 'header,profile,query_report') },
+      "t/pt-query-digest/samples/slow049.txt",
+   ),
+   'slow049 --outliers'
+);
+
+# #############################################################################
+# Done.
+# #############################################################################
+exit;