Update README file

Author: alfmel

README.TXT

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+# ZF2 Tutorial in Cougar
+----
+
+This project demonstrates how to implement the Zend Framework 2 Album tutorial
+using the [Cougar Framework](https://github.com/alfmel/cougar). Please note that
+the Cougar framework is only for building REST-based APIs. That means this
+implementation does not have a real User Infterface (UI). (In the future we hope
+to create an interface in Angular.js to make a full comparison.)
+
+The purpose of the comparison is not to say that one framework is better than
+another; it is to show how the Cougar Framework can help you build REST-based
+APIs faster. The Cougar Framework is optimized to solve the REST API problem and
+pales in comparison to the Zend Framework in terms of features and flexibility.
+
+If you are wondering if the Cougar Framework is worth using, look at the code.
+We believe the APIs written with Cougar are simpler to write and manage. They
+also requires less lines of code.
+
+To write the API backend for the ZF2 tutorial in Cougar, it takes 5 files and
+about 150 lines of code (101 lines in PHP and about 40 in required annotations
+in the comments).
+
+```
+$ cloc lib web
+       8 text files.
+       8 unique files.
+       2 files ignored.
+
+http://cloc.sourceforge.net v 1.60  T=0.03 s (198.8 files/s, 9972.2 lines/s)
+-------------------------------------------------------------------------------
+Language                     files          blank        comment           code
+-------------------------------------------------------------------------------
+PHP                              5             35            160            101
+HTML                             1              0              0              5
+-------------------------------------------------------------------------------
+SUM:                             6             35            160            106
+-------------------------------------------------------------------------------
+```
+
+Looking at only the backend for the ZF2 implementation, it takes 13 files and
+378 lines of code:
+
+```
+$ cloc config init_autoloader.php module/Album/{*.php,config,src}
+      13 text files.
+      13 unique files.
+       3 files ignored.
+
+http://cloc.sourceforge.net v 1.60  T=0.04 s (256.5 files/s, 12004.6 lines/s)
+-------------------------------------------------------------------------------
+Language                     files          blank        comment           code
+-------------------------------------------------------------------------------
+PHP                             10             62             28            378
+-------------------------------------------------------------------------------
+SUM:                            10             62             28            378
+-------------------------------------------------------------------------------
+```
+
+Lines of code is only one measure of productivity. So look at the code, check
+out the [Cougar Tutorial](https://github.com/alfmel/cougar_tutorial) and see if
+the Cougar Framework can help you be more productive.