update refactoring

Refactoring.md

@@ -1,5 +1,7 @@
 ## Refactoring
 
+- [Code Excellence For The Average Programmer](http://zuill.us/WoodyZuill/2012/12/07/code-excellence-for-the-average-programmer/) - Video by Llewellyn Falco and Woody Zuill
+
 - [Code Refactoring](https://www.versionone.com/agile-101/agile-software-programming-best-practices/refactoring/)
 
 - [Make Your Code Agile: Refactoring](https://www.atlassian.com/blog/archives/make_your_code_agile_refactori) - by Chris Mountford
@@ -10,4 +12,6 @@
 
 - [Refactoring: 4 Key Principles](http://www.agileadvice.com/2016/03/24/scrumxplean/refactoring-4-key-principles/) - by Mishkin Berteig
 
-- [The Art of Agile Development: Refactoring](http://www.jamesshore.com/Agile-Book/refactoring.html) - by James Shore
+- [Smells to Refactorings Cheatsheet](https://www.industriallogic.com/blog/smells-to-refactorings-cheatsheet/) - by Industrial Logic
+
+- [The Art of Agile Development: Refactoring](http://www.jamesshore.com/Agile-Book/refactoring.html) - by James Shore