fixed source and target database instructions in the replication api

Author: drunksaint

src/api/server/common.rst

@@ -484,11 +484,16 @@
     :<json string filter: The name of a :ref:`filter function <filterfun>`.
     :<json string proxy: Address of a proxy server through which replication
       should occur (protocol can be "http" or "socks5")
-    :<json string source: Source database name or URL
-    :<json string target: Target database name or URL
-    :<json object headers: Object with header info in key value pairs.
-      Eg: {"Authorization": "Basic Ym9iQGV4YW1wbGUuY29tOnBhc3N3b3Jk",
-      "header_name_2": "header_value_2",...}.
+    :<json string/object source: Source database name or URL or an object
+      which contains the full URL of the source database with additional
+      parameters like headers. Eg: 'source_db_name' or
+      'http://example.com/source_db_name' or
+      {"url":"url in here", "headers": {"header1":"value1", ...}}
+    :<json string/object target: Target database name or URL or an object
+      which contains the full URL of the target database with additional
+      parameters like headers. Eg: 'target_db_name' or
+      'http://example.com/target_db_name' or
+      {"url":"url in here", "headers": {"header1":"value1", ...}}
     :>header Content-Type: - :mimetype:`application/json`
                            - :mimetype:`text/plain; charset=utf-8`
     :>json array history: Replication history (see below)