docu

git-svn-id: http://ncclient.googlecode.com/svn/trunk@186 6dbcf712-26ac-11de-a2f3-1373824ab735

diff --git a/docs/source/extending.rst b/docs/source/extending.rst
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+Extending ncclient
+==================
+
+Here it is briefly discussed how new transport mappings and new operations can be added.
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diff --git a/docs/source/index.rst b/docs/source/index.rst
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--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -1,10 +1,33 @@
 ncclient documentation
 ======================
 
+ncclient is a Python library for NETCONF clients. NETCONF is a network management protocol defined in :rfc:`4741`. It is suitable for Python 2.6+ (not Python 3 yet, though), and depends on paramiko, an SSH library.
+
+The objective is to offer an intuitive API that sensibly maps the XML-encoded parameters of NETCONF to Python constructs and idioms. The other features are:
+
+* Supports all operations and capabilities defined in :rfc:`4741`.
+* Request pipelining.
+* Asynchronous RPC requests.
+* Keeping XML out of the way unless really needed.
+* Extensible. New transport mappings and capabilities/operations can be easily added.
+
+The best way to introduce is of course, through a simple code example::
+
+    from ncclient import manager
+
+    # use ssh-agent or ~/.ssh keys for auth, and relying on known_hosts
+    with manager.connect_ssh("host", username="username") as m:
+        assert(":url" in manager.server_capabilities)
+        with m.locked("running"):
+            m.copy_config(source="running", target="file:///new_checkpoint.conf")
+            m.copy_config(source="file:///old_checkpoint.conf", target="running")
+
 Contents:
 
 .. toctree::
-   :maxdepth: 2
+    
+    manager
+    extending
 
 Indices and tables
 ==================
@@ -12,4 +35,3 @@ Indices and tables
 * :ref:`genindex`
 * :ref:`modindex`
 * :ref:`search`
-

diff --git a/docs/source/manager.rst b/docs/source/manager.rst
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+High-level API
+==============
+
+Most use-cases are met by using the high-level :class:`Manager` API.
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