Else and Else If snippets

I am added those snippets to prevent replacing `else` on pressing `<enter>` key to one of *functions from includes* snippet.
![else](https://f.cloud.github.com/assets/3440832/148318/074ffc92-74fd-11e2-8a6d-2bc004bebe94.png)

With these snippets Sublime works correctly:
![else2](https://f.cloud.github.com/assets/3440832/148328/bee918b6-74fd-11e2-8dd0-2a74ee1ac45e.png)
-->
![else3](https://f.cloud.github.com/assets/3440832/148329/c0f90aa8-74fd-11e2-8b7a-533c4a6bc163.png)