IF then ELSE

*Sorry for remove the blank spaces, it was my editor (atom recommended for JavaScript http://atom.io/)*
If then else block!
Know bugs:
"if then": If you add more than one block this will not expand.
![worksss](https://cloud.githubusercontent.com/assets/2650479/5325578/9b36f6b2-7cd6-11e4-84c9-06a3a19984db.png)