Certain snippets don't work properly with fci-mode enabled.

The and `cls` snippet and similar don't work properly with `fci-mode` enabled. The generated class name that's auto-inserted by the snippet gets inserted right at the end of the snippet, so you endup with:

```
class 

endMyAwesomeClass
```

Instead of:

```
class MyAwesomeClass

end
```

Aside from that, Yasnippet now works great for me with fci-mode :)
