Alphabetize git interactive

free-programming-interactive-tutorials-en.md

@@ -26,8 +26,8 @@
 
 ###Git
 * [Githug](https://github.com/Gazler/githug) (Tutorial in shell)
-* [Try Git](http://try.github.io)
 * [Learn Git Branching](http://pcottle.github.io/learnGitBranching/)
+* [Try Git](http://try.github.io)
 
 
 ###Go