Including licensing information to README.

Author: Julia Elman

README.rst

@@ -8,4 +8,13 @@ by `Julia Elman <https://github.com/juliaelman>`_ and `Mark Lavin <https://githu
 Using These Examples
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-The various folders in the book correspond to the projects created throughout the book.
+The various folders and files in this repository correspond to the projects created throughout the book.
+
+
+Terms & Conditions
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+
+These code examples are excerpted from Lightweight Django by Julia Elman and Mark Lavin published by O’Reilly Media, Inc. (ISBN 9781491945940) which you can purchase here: http://shop.oreilly.com/product/0636920032502.do.  You may use these code examples in your programs and documentation. You do not need to contact O'Reilly for permission unless you’re reproducing a significant portion of the code. For example, writing a program that uses several chunks of this example code does not require permission. Selling or distributing a set of examples from O'Reilly books does require permission. Answering a question by citing the book and quoting example code does not require permission. Incorporating a significant amount of this example code into your product’s documentation does require permission.
+We appreciate, but do not require, attribution. An attribution usually includes the title, author, publisher, and ISBN. For example: “Lightweight Django by Julia Elman and Mark Lavin (O’Reilly). Copyright 2014 Julia Elman and Mark Lavin. 978-1-4919-4594-0.”
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+If you feel your use of these code examples falls outside fair use or the permission given here, feel free to contact O'Reilly at `[email protected] <mailto:[email protected]>`_