update README for second edition and backported to first edition

README.md

@@ -2,23 +2,42 @@
 
 Mastering Bitcoin is a book for developers, but the first two chapters cover bitcoin at a level that is approachable to non-programmers. Anyone with a basic understanding of technology can read the first two chapters and get a great understanding of bitcoin. 
 
+This repository contains the complete [first edition](https://github.com/bitcoinbook/bitcoinbook/tree/first_edition) and the draft of the [second edition](https://github.com/bitcoinbook/bitcoinbook/tree/develop), currently in progress, scheduled for publication in Q1'2017. 
+
+# Issues, Errors, Comments, Contributions
+
+If you know how to make a pull request to contribute a fix, please write the correction and use a pull request to submit it for consideration. Otherwise, please submit an issue, explaining the error or comment. If you would like to contribute extensive changes or new material, please coordinate with the author first. Contact forms can be found on his website https://antonopoulos.com/
+
 # Published
 
-"Mastering Bitcoin" is now available in print and e-book formats by many book sellers including [Amazon](http://www.amazon.com/Mastering-Bitcoin-Unlocking-Digital-Crypto-Currencies/dp/1449374042)
+"Mastering Bitcoin (First Edition)" is now available in print and e-book formats by many book sellers including [Amazon](http://www.amazon.com/Mastering-Bitcoin-Unlocking-Digital-Crypto-Currencies/dp/1449374042)
 , [Barnes & Nobles](http://www.barnesandnoble.com/w/mastering-bitcoin-andreas-m-antonopoulos/1119253039?ean=9781449374044
-) and [O'Reilly Media](http://shop.oreilly.com/product/0636920032281.do). For a limited time, the book is also sold for bitcoin at the [author's site](http://bitcoinbook.info)
+) and [O'Reilly Media](http://shop.oreilly.com/product/0636920032281.do). Mastering Bitcoin (First Edition) is also published in Japanese, Korean and Chinese (Simplified) by publishers in the respective countries. 
+
+Mastering Bitcoin has been translated by volunteers into more than a dozen languages. Translations are available for free under CC-BY-SA license on https://bitcoinbook.info
 
 # Source 
 
-The book's source code, found in this repository, kept synchronized with the print and ebook editions. Please do not submit changes here, instead use the [errata](http://www.oreilly.com/catalog/errata.csp?isbn=0636920032281) page on the publisher's site. 
+The book's source code, found in this repository, is kept synchronized with the print and ebook editions. 
+
+## Mastering Bitcoin - First Edition
 
+The tags [Edition1Print1](https://github.com/bitcoinbook/bitcoinbook/releases/tag/Edition1Print1), [Edition1Print2](https://github.com/bitcoinbook/bitcoinbook/releases/tag/Edition1Print2) correspond to the two existing prints of the Mastering Bitcoin (First Edition) as published by O'Reilly Media. 
 
-<a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" href="http://purl.org/dc/dcmitype/Text" property="dct:title" rel="dct:type">Mastering Bitcoin</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="http://antonopoulos.com/" property="cc:attributionName" rel="cc:attributionURL">Andreas M. Antonopoulos LLC</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.
+<a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" href="http://purl.org/dc/dcmitype/Text" property="dct:title" rel="dct:type">Mastering Bitcoin - First Edition</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="http://antonopoulos.com/" property="cc:attributionName" rel="cc:attributionURL">Andreas M. Antonopoulos LLC</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.
 
 This "Free Culture" compliant license was approved by my publisher O'Reilly Media (http://oreilly.com), who understand the value of open source. O'Reilly Media is not just the world's best publisher of technical books but also a strong supporter of an open culture and the sharing of knowledge. 
 
 Thank you O'Reilly!
 
+## Mastering Bitcoin - Second Edition
+
+The [develop branch](https://github.com/bitcoinbook/bitcoinbook/tree/develop), containing the most recent changes you see here is the in-progress drafting of Mastering Bitcoin (Second Edition).
+
+<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png" /></a><br /><span xmlns:dct="http://purl.org/dc/terms/" property="dct:title">Mastering Bitcoin - Second Edition</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="https://antonopoulos.com/" property="cc:attributionName" rel="cc:attributionURL">Andreas M. Antonopoulos LLC</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/">Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License</a>.
+
+It is expected that the second edition will be released under a CC-BY-SA license within a year of publication.
+
 # Translations
 
 If you are interested in translating this book, please contact the author at [email protected], for coordination. In some countries, I can help you coordinate with the local offices of O'Reilly Media for local print editions.