new readme for github

Author: Thomas Nagy

README.md

@@ -6,10 +6,11 @@ Waf is a Python-based framework for configuring, compiling and installing applic
   * *Flexibility*: new commands and tasks can be added very easily through subclassing, bottlenecks for specific builds can be eliminated through dynamic method replacement
   * *Extensibility*: though many programming languages and compilers are already supported by default, many others are available as extensions
   * *IDE support*: Eclipse, Visual Studio and Xcode project generators (waflib/extras/)
-  * *Documentation*: the application is based on a robust model documented in [The Waf Book](http://docs.waf.googlecode.com/git/book_17/single.html) and in the [API docs](http://docs.waf.googlecode.com/git/apidocs_17/index.html)
+  * *Documentation*: the application is based on a robust model documented in [The Waf Book](http://docs.waf.googlecode.com/git/book_18/single.html) and in the [API docs](http://docs.waf.googlecode.com/git/apidocs_17/index.html)
   * *Python compatibility*: cPython 2.5 to 3.4, Jython 2.5, IronPython, and Pypy
 
-Waf is used in particular by innovative companies such as [Avalanche Studios](http://www.avalanchestudios.se) and by open-source projects such as [the Samba project](http://www.samba.org/). Learn more about Waf by reading [The Waf Book](http://docs.waf.googlecode.com/git/book_17/single.html).
+Waf is used in particular by innovative companies such as [Avalanche Studios](http://www.avalanchestudios.se) and by open-source projects such as [the Samba project](http://www.samba.org/). Learn more about Waf by reading [The Waf Book](http://docs.waf.googlecode.com/git/book_18/single.html).
 
 For researchers and build system writers, Waf also provides a framework for creating [custom build systems](http://code.google.com/p/waf/source/browse/build_system_kit/) and [package distribution systems](http://code.google.com/p/waf/source/browse/playground/distnet/README.rst).
 
+Download the project from our page on [waf.io](https://waf.io/) or from the mirror on [freehackers.org](http://www.freehackers.org/~tnagy/release/).