Make Multiline grammar look right

This is to address #14.

Ok, I had a go. The Ruby one looks like it works, would someone be able to have a look to make sure I haven't broken anything? The Coffee Haml looks a bit off.

Ruby:
![screen shot 2014-08-26 at 21 43 54](https://cloud.githubusercontent.com/assets/1273965/4051549/88d4f2b2-2d62-11e4-9137-45d79ed36eae.png)

Coffee:
![screen shot 2014-08-26 at 21 44 09](https://cloud.githubusercontent.com/assets/1273965/4051558/99463304-2d62-11e4-8c66-5e5cdffcdacc.png)