Updated free-programming-books.md

Added new free programming books to the list

free-programming-books.md

@@ -456,6 +456,7 @@
 * [Come, Let's Play: Scenario-Based Programming Using Live Sequence Charts](http://www.wisdom.weizmann.ac.il/~playbook/)
 * [Communicating Sequential Processes](http://www.usingcsp.com/cspbook.pdf) - Tony Hoare (PDF)
 * [Computer Musings](http://scpd.stanford.edu/knuth/index.jsp) (lectures by Donald Knuth)
+* [Continuous Delivery and DevOps: A Quickstart guide](https://www.packtpub.com/packt/free-ebook/devops-quickstart) - Paul Swartout, Packt. (Just fill the fields with any values)
 * [CS For All](https://www.cs.hmc.edu/csforall/)
 * [Culture \& Empire: Digital Revolution](http://hintjens.com/books) (PDF)
 * [Design With FontForge](http://designwithfontforge.com/en-US/index.html)
@@ -472,6 +473,7 @@
 * [Foundations of Programming](http://openmymind.net/FoundationsOfProgramming.pdf) (PDF)
 * [Game Programming Patterns](http://gameprogrammingpatterns.com) - Bob Nystrom
 * [Getting Real](http://gettingreal.37signals.com)
+* [Getting Started with Unity 5](https://www.packtpub.com/packt/free-ebook/getting-started-with-unity) - Dr. Edward Lavieri, Packt. (Just fill the fields with any values)
 * [Hacknot: Essays on Software Development](http://www.lulu.com/shop/ed-johnson/hacknot-essays-on-software-development/ebook/product-17544641.html) - Ed Johnson
 * [High-Performance Scientific Computing](http://bit.ly/hpc12) (class lectures and slides)
 * [How Computers Work](http://www.fastchip.net/howcomputerswork/p1.html) - R. Young
@@ -483,6 +485,7 @@
 * [IRPF90 Fortran code generator](https://www.gitbook.com/book/scemama/irpf90/details) - Anthony Scemama
 * [Learn to Program](https://pine.fm/LearnToProgram/)
 * [Learning 30 Technologies in 30 Days: A Developer Challenge](https://blog.openshift.com/learning-30-technologies-in-30-days-a-developer-challenge/) - Shekhar Gulati
+* [Learning Docker](https://www.packtpub.com/packt/free-ebook/learning-docker) - Pethuru Raj, Jeeva S. Chelladhurai & Vinod Singh, Packt. (Just fill the fields with any values) 
 * [Linked Data Patterns: A pattern catalogue for modelling, publishing, and consuming Linked Data](http://patterns.dataincubator.org/book/) - Leigh Dodds, Ian Davis
 * [Magic Ink: Information Software and The Graphical Interface](http://worrydream.com/#!/MagicInk) - Bret Victor
 * [Mobile Developer's Guide to the Galaxy](https://leanpub.com/mobiledevelopersguide)
@@ -496,6 +499,8 @@
 * [Philosophy of Computer Science](http://www.cse.buffalo.edu/~rapaport/Papers/phics.pdf) (PDF)
 * [PNG: The Definitive Guide](http://www.libpng.org/pub/png/book/)
 * [Pointers And Memory](http://cslibrary.stanford.edu/102/PointersAndMemory.pdf) (PDF)
+* [Practical Data Analysis](https://www.packtpub.com/packt/free-ebook/practical-data-analysis) - Hector Cuesta, Packt. (Just fill the fields with any values)
+* [Practical Responsive Typography](https://www.packtpub.com/packt/free-ebook/practical-responsive-typography) - Dario Calonaci, Packt. (Just fill the fields with any values)
 * [Principles of Computer System Design ](http://ocw.mit.edu/resources/res-6-004-principles-of-computer-system-design-an-introduction-spring-2009/online-textbook/part_ii_open_5_0.pdf) (PDF)
 * [Programming with Unicode](http://unicodebook.readthedocs.org)
 * [Project Oberon](http://www.ethoberon.ethz.ch) (PDF)
@@ -506,6 +511,7 @@
 * [SVG Essentials](http://commons.oreilly.com/wiki/index.php/SVG_Essentials)
 * [The Quest for Artificial Intelligence: A History of Ideas and Achievements](http://ai.stanford.edu/~nilsson/QAI/qai.pdf) - Nils J. Nilsson (PDF)
 * [Trends Shaping the London Tech Scene](http://www.oreilly.com/programming/free/trends-shaping-the-london-tech-scene.csp) *(Just fill the fields with any values)*
+* [Xamarin Cross-Platform Development Cookbook](https://www.packtpub.com/free-eBook/xamarin-cross-platform-development-cookbook) - George Taskos, Packt. (Just fill the fields with any values)
 
 
 #### MOOC
@@ -734,6 +740,7 @@
 * [Android Developer Fundamentals Course – Concepts](https://google-developer-training.gitbooks.io/android-developer-fundamentals-course-concepts/content/en/)
 * [Android Developer Fundamentals Course – Practicals](https://google-developer-training.gitbooks.io/android-developer-fundamentals-course-practicals/content/en/)
 * [Android NDK Beginner's Guide - Second Edition](https://www.packtpub.com/packt/free-ebook/android-ndk-beginners-guide) - Sylvain Ratabouil, Packt. *(Just fill the fields with any values)*
+* [Android NDK Game Development Cookbook](https://www.packtpub.com/packt/free-ebook/android-ndk-game-development) - Sergey Kosarevsky & Viktor Latypov, Packt. *(Just fill the fields with any values)*
 * [Android Programming Guide for Beginners](http://eduonix.com/offers/Android_ebook_free_offer.html) (PDF - need email confirmation)
 * [Android Programming Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/android) ([PDF](https://www.syncfusion.com/Account/Logon?ReturnUrl=%2fresources%2ftechportal%2febooks%2fandroid), [Kindle](https://www.syncfusion.com/Account/Logon?ReturnUrl=%2fresources%2ftechportal%2febooks%2fandroid)) *(Just fill the fields with any values)*
 * [CodePath Android Cliffnotes](https://github.com/codepath/android_guides/wiki)
@@ -1227,6 +1234,7 @@
 * [HTML5 Canvas](http://chimera.labs.oreilly.com/books/1234000001654/index.html) - Steve Fulton & Jeff Fulton
 * [HTML5 for Publishers](http://chimera.labs.oreilly.com/books/1234000000770/index.html) - Sanders Kleinfeld
 * [HTML5 For Web Designers](http://html5forwebdesigners.com) - Jeremy Keith
+* [HTML5 Graphing and Data Visualization Cookbook](https://www.packtpub.com/packt/free-ebook/html5-data-visualization-cookbook) - Ben Fhala, Packt. (Just fill the fields with any values)
 * [HTML5 Shoot 'em Up in an Afternoon](https://leanpub.com/html5shootemupinanafternoon/read) - Bryan Bibat
 * [Learn CSS Layout](http://learnlayout.com)
 * [Learn CSS Layout the pedantic way](http://book.mixu.net/css/)