docs(managing_deis): use non-forked s3cmd

We no longer need to maintain the Deis fork of s3cmd, as the necessary
patches for Ceph have been merged upstream.

When this commit is merged, we should delete https://github.com/deis/s3cmd

Author: carmstrong

docs/managing_deis/backing_up_data.rst

@@ -28,11 +28,8 @@ Setup
 -----
 
 The ``deis-store-gateway`` component exposes an S3-compatible API, so we can use a tool like `s3cmd`_
-to work with the object store. First, install our fork of s3cmd with a patch for Ceph support:
-
-.. code-block:: console
-
-    $ pip install git+https://github.com/deis/s3cmd
+to work with the object store. First, `download s3cmd`_ and install it (you'll need at least version
+1.5.0 for Ceph support).
 
 We'll need the generated access key and secret key for use with the gateway. We can get these using
 ``deisctl``, either on one of the cluster machines or on a remote machine with ``DEISCTL_TUNNEL`` set:
@@ -43,23 +40,19 @@ We'll need the generated access key and secret key for use with the gateway. We
     $ deisctl config store get gateway/secretKey
 
 Back on the local machine, run ``s3cmd --configure`` and enter your access key and secret key.
-Other settings can be left at the defaults. If the configure script prompts you to test the credentials,
-skip that step - it will try to authenticate against Amazon S3 and fail.
 
-You'll need to change a few additional configuration settings. First, edit ``~/.s3cfg`` and change
+When prompted with the ``Use HTTPS protocol`` option, answer ``No``. Other settings can be left at
+the defaults. If the configure script prompts to test the credentials, skip that step - it will
+try to authenticate against Amazon S3 and fail.
+
+You'll need to change two configuration settings - edit ``~/.s3cfg`` and change
 ``host_base`` and ``host_bucket`` to match ``deis-store.<your domain>``. For example, for my local
 Vagrant setup, I've changed the lines to:
 
 .. code-block:: console
 
     host_base = deis-store.local3.deisapp.com
-    host_bucket = deis-store.local3.deisapp.com/%(bucket)
-
-You'll also need to enable ``use_path_mode``:
-
-.. code-block:: console
-
-    use_path_mode = True
+    host_bucket = deis-store.local3.deisapp.com
 
 We can now use ``s3cmd`` to back up and restore data from the store-gateway.
 
@@ -224,4 +217,5 @@ use in the ``export`` command should correspond to the IP of the host machine wh
 That's it! The cluster should be fully restored.
 
 .. _`Ceph`: http://ceph.com
+.. _`download s3cmd`: http://s3tools.org/download
 .. _`s3cmd`: http://s3tools.org/