Merge remote-tracking branch 'literate_coffee_script/master'

Merging in literate_coffee_script.lang file from gist:
https://gist.github.com/niclashoyer/4493699
Integrating literate_coffee_script.lang fixing #30 and #27

	* Change tabs to spaces in literate_coffee_script.lang
	* Remove *.litcoffee glob filter from coffee_script.lang
	* Add literate_coffee_script.lang to install.sh