Merge pull request #29 from DuncanMacWeb/patch-1

Add Learn CSS Layout (http://learnlayout.com/)

free-programming-books.md

@@ -321,6 +321,7 @@
 
 * [Dive Into HTML5](http://fortuito.us/diveintohtml5/)
 * [HTML Dog Tutorials](http://www.htmldog.com/)
+* [Learn CSS Layout](http://learnlayout.com/)
 
 
 ###Java