Update READMEs to fix numbering and add git clone [(#1464)](#1464)

Author: frankyn

translation/samples/snippets/README.rst

@@ -31,10 +31,16 @@ credentials for applications.
 Install Dependencies
 ++++++++++++++++++++
 
+#. Clone python-docs-samples and change directory to the sample directory you want to use.
+
+    .. code-block:: bash
+
+        $ git clone https://github.com/GoogleCloudPlatform/python-docs-samples.git
+
 #. Install `pip`_ and `virtualenv`_ if you do not already have them. You may want to refer to the `Python Development Environment Setup Guide`_ for Google Cloud Platform for instructions.
 
- .. _Python Development Environment Setup Guide:
-     https://cloud.google.com/python/setup
+   .. _Python Development Environment Setup Guide:
+       https://cloud.google.com/python/setup
 
 #. Create a virtualenv. Samples are compatible with Python 2.7 and 3.4+.
 
@@ -103,9 +109,8 @@ To run this sample:
         list-languages-with-target
                             Lists all available languages and localizes them to
                             the target language. Target must be an ISO 639-1
-                            language code. See
-                            https://g.co/cloud/translate/v2/translate-
-                            reference#supported_languages
+                            language code. See https://g.co/cloud/translate/v2
+                            /translate-reference#supported_languages
         translate-text      Translates text into the target language. Target must
                             be an ISO 639-1 language code. See
                             https://g.co/cloud/translate/v2/translate-