Update _scheduler/docs and _scheduler/jobs's "info" field (#456)

Recently "info" field for running and pending states switched to having
replication stats instead of being `null`, so update documentation accordingly.

Related PR: https://github.com/apache/couchdb/pull/2292
diff --git a/src/api/server/common.rst b/src/api/server/common.rst
index cdd55d8..7fee364 100644
--- a/src/api/server/common.rst
+++ b/src/api/server/common.rst
@@ -979,6 +979,17 @@
                         }
                     ],
                     "id": "8f5b1bd0be6f9166ccfd36fc8be8fc22+continuous",
+                    "info": {
+                        "changes_pending": 0,
+                        "checkpointed_source_seq": "113-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE01ygQLsZsYGqcamiZjKcRqRxwIkGRqA1H-oSbZgk1KMLCzTDE0wdWUBAF6HJIQ",
+                        "doc_write_failures": 0,
+                        "docs_read": 113,
+                        "docs_written": 113,
+                        "missing_revisions_found": 113,
+                        "revisions_checked": 113,
+                        "source_seq": "113-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE01ygQLsZsYGqcamiZjKcRqRxwIkGRqA1H-oSbZgk1KMLCzTDE0wdWUBAF6HJIQ",
+                        "through_seq": "113-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE01ygQLsZsYGqcamiZjKcRqRxwIkGRqA1H-oSbZgk1KMLCzTDE0wdWUBAF6HJIQ"
+                    },
                     "node": "node1@127.0.0.1",
                     "pid": "<0.1850.0>",
                     "source": "http://myserver.com/foo",
@@ -1000,6 +1011,17 @@
                         }
                     ],
                     "id": "e327d79214831ca4c11550b4a453c9ba+continuous",
+                    "info": {
+                        "changes_pending": null,
+                        "checkpointed_source_seq": 0,
+                        "doc_write_failures": 0,
+                        "docs_read": 12,
+                        "docs_written": 12,
+                        "missing_revisions_found": 12,
+                        "revisions_checked": 12,
+                        "source_seq": "12-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE1lzgQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSexgk4yMkhITjS0wdWUBADfEJBg",
+                        "through_seq": "12-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE1lzgQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSexgk4yMkhITjS0wdWUBADfEJBg"
+                    },
                     "node": "node2@127.0.0.1",
                     "pid": "<0.1757.0>",
                     "source": "http://myserver.com/foo",
@@ -1106,7 +1128,17 @@
                     "doc_id": "cdyno-0000001-0000002",
                     "error_count": 0,
                     "id": "e327d79214831ca4c11550b4a453c9ba+continuous",
-                    "info": null,
+                    "info": {
+                        "changes_pending": 15,
+                        "checkpointed_source_seq": "60-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYEyVygQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSSpgk4yMkhITjS0wdWUBAENCJEg",
+                        "doc_write_failures": 0,
+                        "docs_read": 67,
+                        "docs_written": 67,
+                        "missing_revisions_found": 67,
+                        "revisions_checked": 67,
+                        "source_seq": "67-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE2VygQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSepgk4yMkhITjS0wdWUBAEVKJE8",
+                        "through_seq": "67-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE2VygQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSepgk4yMkhITjS0wdWUBAEVKJE8"
+                    },
                     "last_updated": "2017-04-29T05:01:37Z",
                     "node": "node2@127.0.0.1",
                     "source_proxy": null,
@@ -1121,7 +1153,17 @@
                     "doc_id": "cdyno-0000001-0000003",
                     "error_count": 0,
                     "id": "8f5b1bd0be6f9166ccfd36fc8be8fc22+continuous",
-                    "info": null,
+                    "info": {
+                        "changes_pending": null,
+                        "checkpointed_source_seq": 0,
+                        "doc_write_failures": 0,
+                        "docs_read": 12,
+                        "docs_written": 12,
+                        "missing_revisions_found": 12,
+                        "revisions_checked": 12,
+                        "source_seq": "12-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE1lzgQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSexgk4yMkhITjS0wdWUBADfEJBg",
+                        "through_seq": "12-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE1lzgQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSexgk4yMkhITjS0wdWUBADfEJBg"
+                    },
                     "last_updated": "2017-04-29T05:01:37Z",
                     "node": "node1@127.0.0.1",
                     "source_proxy": null,
@@ -1222,7 +1264,17 @@
                     "doc_id": "cdyno-0000001-0000002",
                     "error_count": 0,
                     "id": "e327d79214831ca4c11550b4a453c9ba+continuous",
-                    "info": null,
+                    "info": {
+                        "changes_pending": 0,
+                        "checkpointed_source_seq": "60-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYEyVygQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSSpgk4yMkhITjS0wdWUBAENCJEg",
+                        "doc_write_failures": 0,
+                        "docs_read": 67,
+                        "docs_written": 67,
+                        "missing_revisions_found": 67,
+                        "revisions_checked": 67,
+                        "source_seq": "67-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE2VygQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSepgk4yMkhITjS0wdWUBAEVKJE8",
+                        "through_seq": "67-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE2VygQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSepgk4yMkhITjS0wdWUBAEVKJE8"
+                    },
                     "last_updated": "2017-04-29T05:01:37Z",
                     "node": "node2@127.0.0.1",
                     "source_proxy": null,
@@ -1311,7 +1363,17 @@
             "doc_id": "cdyno-0000001-0000002",
             "error_count": 0,
             "id": "e327d79214831ca4c11550b4a453c9ba+continuous",
-            "info": null,
+            "info": {
+                "changes_pending": 0,
+                "checkpointed_source_seq": "60-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYEyVygQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSSpgk4yMkhITjS0wdWUBAENCJEg",
+                "doc_write_failures": 0,
+                "docs_read": 67,
+                "docs_written": 67,
+                "missing_revisions_found": 67,
+                "revisions_checked": 67,
+                "source_seq": "67-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE2VygQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSepgk4yMkhITjS0wdWUBAEVKJE8",
+                "through_seq": "67-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE2VygQLsBsZm5pZJJpjKcRqRxwIkGRqA1H-oSepgk4yMkhITjS0wdWUBAEVKJE8"
+            },
             "last_updated": "2017-04-29T05:01:37Z",
             "node": "node2@127.0.0.1",
             "source_proxy": null,
diff --git a/src/replication/replicator.rst b/src/replication/replicator.rst
index a977010..708de29 100644
--- a/src/replication/replicator.rst
+++ b/src/replication/replicator.rst
@@ -77,7 +77,17 @@
          "doc_id": "my_rep",
          "error_count": 0,
          "id": "a81a78e822837e66df423d54279c15fe+continuous+create_target",
-         "info": null,
+         "info": {
+             "revisions_checked": 113,
+             "missing_revisions_found": 113,
+             "docs_read": 113,
+             "docs_written": 113,
+             "changes_pending": 0,
+             "doc_write_failures": 0,
+             "checkpointed_source_seq": "113-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE01ygQLsZsYGqcamiZjKcRqRxwIkGRqA1H-oSbZgk1KMLCzTDE0wdWUBAF6HJIQ",
+             "source_seq": "113-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE01ygQLsZsYGqcamiZjKcRqRxwIkGRqA1H-oSbZgk1KMLCzTDE0wdWUBAF6HJIQ",
+             "through_seq": "113-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE01ygQLsZsYGqcamiZjKcRqRxwIkGRqA1H-oSbZgk1KMLCzTDE0wdWUBAF6HJIQ"
+         },
          "last_updated": "2017-04-05T19:18:15Z",
          "node": "node1@127.0.0.1",
          "source_proxy": null,
@@ -115,6 +125,17 @@
                       }
                   ],
                   "id": "a81a78e822837e66df423d54279c15fe+continuous+create_target",
+                  "info": {
+                      "changes_pending": 0,
+                      "checkpointed_source_seq": "113-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE01ygQLsZsYGqcamiZjKcRqRxwIkGRqA1H-oSbZgk1KMLCzTDE0wdWUBAF6HJIQ",
+                      "doc_write_failures": 0,
+                      "docs_read": 113,
+                      "docs_written": 113,
+                      "missing_revisions_found": 113,
+                      "revisions_checked": 113,
+                      "source_seq": "113-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE01ygQLsZsYGqcamiZjKcRqRxwIkGRqA1H-oSbZgk1KMLCzTDE0wdWUBAF6HJIQ",
+                      "through_seq": "113-g1AAAACTeJzLYWBgYMpgTmHgz8tPSTV0MDQy1zMAQsMckEQiQ1L9____szKYE01ygQLsZsYGqcamiZjKcRqRxwIkGRqA1H-oSbZgk1KMLCzTDE0wdWUBAF6HJIQ"
+                  },
                   "node": "node1@127.0.0.1",
                   "pid": "<0.1174.0>",
                   "source": "http://myserver.com/foo/",