Adding upstream version 2.5.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

test/tests/sort/data/a.json

@@ -0,0 +1,8 @@
+{
+	"id": "a",
+	"name": "marty",
+	"age": 19,
+  "born": "2014-11-25",
+	"title": "mista",
+	"tags": ["gopher", "belieber"]
+}

test/tests/sort/data/b.json

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+{
+	"id": "b",
+	"name": "steve",
+	"age": 21,
+  "born": "2000-09-11",
+	"title": "zebra",
+	"tags": ["thought-leader", "futurist"]
+}

test/tests/sort/data/c.json

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+{
+	"id": "c",
+	"name": "aster",
+	"age": 21,
+  "born": "1954-02-02",
+	"title": "blogger",
+	"tags": ["red", "blue", "green"]
+}

test/tests/sort/data/d.json

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+{
+	"id": "d",
+	"age": 65,
+  "born": "1978-12-02",
+	"title": "agent d is desperately trying out to be successful rapster!",
+	"tags": ["cats"]
+}

test/tests/sort/data/e.json

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+{
+	"id": "e",
+	"name": "nancy",
+  "born": "1954-10-22",
+	"title": "rapstar nancy rapster",
+	"tags": ["pain"]
+}

test/tests/sort/data/f.json

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+{
+	"id": "f",
+	"name": "frank",
+	"age": 1,
+	"title": "frank the taxman of cb, Rapster!",
+	"tags": ["vitamin","purple"]
+}