Pretty print JSON sample files

Pretty print JSON samples to follow JSON formatting conventions.

Change-Id: Ibcc9073fe79198dc1a6fab19e11b8b60195e4bc9
Partial-Bug: #1217503

openstack-object-storage-dev/samples/manifest.json

@@ -1,17 +1,17 @@
 [
-   {
-      "path":"segments/terrier-jpg-one",
-      "etag":"f7365c1419b4f349592c00bd0cfb9b9a",
-      "size_bytes":4000000
-   },
-   {
-      "path":"segments/terrier-jpg-two",
-      "etag":"ad81e97b10e870613aecb5ced52adbaa",
-      "size_bytes":2000000
-   },
-   {
-      "path":"segments/terrier-jpg-three",
-      "etag":"00b046c9d74c3e8f93b320c5e5fdc2c3",
-      "size_bytes":1000
-   }
+    {
+        "path": "segments/terrier-jpg-one",
+        "etag": "f7365c1419b4f349592c00bd0cfb9b9a",
+        "size_bytes": 4000000
+    },
+    {
+        "path": "segments/terrier-jpg-two",
+        "etag": "ad81e97b10e870613aecb5ced52adbaa",
+        "size_bytes": 2000000
+    },
+    {
+        "path": "segments/terrier-jpg-three",
+        "etag": "00b046c9d74c3e8f93b320c5e5fdc2c3",
+        "size_bytes": 1000
+    }
 ]

openstack-object-storage-dev/samples/slo-manifest-example.txt

@@ -1,17 +1,17 @@
 [
-   {
-      "path":"mycontainer/objseg1",
-      "etag":"0228c7926b8b642dfb29554cd1f00963",
-      "size_bytes":1468006
-   },
-   {
-      "path":"mycontainer/pseudodir/seg-obj2",
-      "etag":"5bfc9ea51a00b790717eeb934fb77b9b",
-      "size_bytes":1572864
-   },
-   {
-      "path":"other-container/seg-final",
-      "etag":"b9c3da507d2557c1ddc51f27c54bae51",
-      "size_bytes":256
-   }
+    {
+        "path": "mycontainer/objseg1",
+        "etag": "0228c7926b8b642dfb29554cd1f00963",
+        "size_bytes": 1468006
+    },
+    {
+        "path": "mycontainer/pseudodir/seg-obj2",
+        "etag": "5bfc9ea51a00b790717eeb934fb77b9b",
+        "size_bytes": 1572864
+    },
+    {
+        "path": "other-container/seg-final",
+        "etag": "b9c3da507d2557c1ddc51f27c54bae51",
+        "size_bytes": 256
+    }
 ]

openstack-object-storage-dev/section_object-api-curl-commands.xml

@@ -62,16 +62,16 @@ Date: Fri, 17 Jan 2014 15:59:33 GMT</computeroutput>
     </screen>
     <para>The response, in JSON format, is:</para>
     <programlisting language="json">[
-   {
-      "count":0,
-      "bytes":0,
-      "name":"janeausten"
-   },
-   {
-      "count":1,
-      "bytes":14,
-      "name":"marktwain"
-   }
+    {
+        "count": 0,
+        "bytes": 0,
+        "name": "janeausten"
+    },
+    {
+        "count": 1,
+        "bytes": 14,
+        "name": "marktwain"
+    }
 ]</programlisting>
     <note>
         <para>The carriage returns in the cURL request examples are